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Defects in a Large Sensor Video Camera? Purple and Green Fringing on the Canon C300
The Canon C300 is quite the camera, and by all accounts it's a high-end professional camera (and we should refer to it as such since it's the most expensive camera Canon makes). But something strange is going on that could affect your footage in a very real and disastrous way as compared to other cameras. Paul Antico at NextWaveDV has discovered a very disturbing image artifact that appears in purple and green blocks on overexposed edges. He's not the only one, as others have replicated this exact same problem.
Here is the most telling example of the problem, with a comparison to the RED Scarlet, a camera which does not downscale footage in camera.
Over at NextWaveDV they've got a couple more examples and people who've had issues with the same problem in their footage. Now this is troubling because of Canon's response, which seems to indicate that they've never seen this before in any of their testing:
The cyan/purple fringing seems to be more notable when the shooter is deliberately trying to blow out the highlights….Still, it is something that I will pass along to our senior engineers. We will investigate the situation, and see if there is anything else that can be done to reduce the fringing.
So what's really going on here – and is it something you should be worried about as a C300 shooter? It's definitely not chromatic aberration, because it's been shown to happen regardless of the lens (and it's very clearly solid blocks instead of a smooth green or purple gradient on highlight edges). It seems to only be appearing on highly overexposed areas of the image – and not anywhere else. This leads me to believe that groups of pixels start acting funny when they are over-saturated, and they essentially get locked in the "on" position – not too dissimilar to a stuck pixel that you'd find on an LCD monitor or TV (there is sometimes confusion between stuck and dead pixels – but dead pixels are always off, and will therefore appear black or white). I'm not an engineer so I can't be sure, but that seems like what is happening here, so the problem is all the way at the pixel level.
This probably isn't something Canon can fix very easily at the software (or firmware) level, this looks to be a permanent design flaw relating to the pixel response. Now, as I asked before, should you be worried? I think the answer really depends on what you're shooting. If you are shooting a feature film and your goal is to keep the image flat and not overexpose highlights, then you probably have nothing to worry about. If, on the other hand, you are shooting a documentary or footage where you need the image to be very similar to the final output, you've got to be very careful about your highlights. Consider underexposing slightly if a lot of your image has bright, saturated highlights. It will really depend on the situation whether someone will notice it or not – because obviously for the most part it seems like people have not noticed this problem (or we would have heard about it sooner). It's certainly not confined to one camera, as others have experienced the exact same issues.
Is it possible that only certain sensors have this problem? Maybe – but the way that sensors are fabricated, it's likely that all Canon C300 cameras will suffer from this problem at one point or another. Does this make the C300 a worthless camera? Absolutely not, and the fact that the issue has only been noticed now shows that it does its job correctly most of the time. Whether this turns out to be a hardware problem or not, it's a little troubling that not only does Canon not know anything about this issue, but that a $16,000 camera experiences any major issues like this at all. All cameras have flaws, as we know, but this seems inexcusable on a camera this expensive that's made for professionals.
I'm sure we'll get updates on this in the near future, and I'll stay on top of the issue to see if Canon updates their response in any way.
[via NextWaveDV]
We're all here for the same reason: to better ourselves as writers, directors, cinematographers, producers, photographers... whatever our creative pursuit. Criticism is valuable as long as it is constructive, but personal attacks are grounds for deletion; you don't have to agree with us to learn something. We're all here to help each other, so thank you for adding to the conversation!
Not nice to read. Hopefully Canon will find a fix soon as this camera is supposed to be made for shooting on-the-go.
The RED Scarlet is looking better and better with each new comparison.
Agent55 on 03.30.12 @ 4:00PM
I'd say the Scarlet always was better (and better) for seemingly anything other than ultra low-light doc work. i think the C300 is very cool, but also very pricey for what it is and inferior to RED in all ways besides the aforementioned near-zero low light scenarios.
Will Turner on 04.8.12 @ 12:08PM
Colour moire? That is not good.
One thing many people fail to think about with scarlet vs c300 comparisons is the ergonomics. The same problem exists with something like an FS100. Run n gun would be impossible, whereas the c300 shines in this environment.
Will Turner on 04.8.12 @ 12:09PM
The c300 needs to be thought of as a seriously sick TV camera, not a digital cinema camera. I think they marketed it in the wrong direction.
Will Turner on 04.8.12 @ 12:09PM
With the upcoming 4K CDSLR being canons cinema camera.
moebius22 on 03.30.12 @ 10:33AM
If Sony has what I think they have at NAB, Canon could be in trouble.
Sony's next camera will be nice, at least on paper. No doubt!
But if the color fringe on it is anything like the FS100, I wouldn't touch that camera. If you think the C300 issue is bad, multiply thaty by 5 and that was the FS100! Never mind the highlight clipping, etc…
(Still, both issues can be controlled, so the severity of the issue is questionable in both cases).
you are talking like a person that never shot with fs100; i allways shot against the sun, I love to do hi contast with metals and staff like that and never find something like the problem with the C300, here you can see the same combination, metals, overexposure of the background, hard corners… and nothing : https://vimeo.com/33872553 , so please be fair; I know that fs100 have some issues too, ut really nothing like this; I just downloaded a video from Michael Palmieri and I must tell that I never see something like that in my FS100.
Ryan, I am sorry, but you you are making a foregone conclusion. Paul wrote a very balanced article and you make it almost sound much worse than it actually might be. Your title implies that it's a hardware defect before even having looked at all the evidence. You make it sound like every C300 user can replicate the issue, but that's not the case.
I have shot with the C300 for about 14 days in total so far, and after I read Paul's article yesterday, I was alarmed too and immediately looked through all my footage to find traces of what the guys mention. I found a tiny bit of fringing on only two shots – although I shot an entire short film (Homophobia by Gregor Schmidinger) on the camera, which consists of many high-contrast shots. There are two specific shots with extreme backlight that should clearly have the issue but they simply don't. On the shots on which I found the issue it was absolutely negligible …
I really want to know how the beach shots were recorded because these show a ridiculous amount of fringing – it looks like aliasing on a 7D times 10. As soon as the sun comes out here again I will try to replicate something like this, but I would be EXTREMELY surprised that this happens in C-Log or any other mode. The only explanation I have are in-camera sharpening and contrast.
Anyway, just find it troublesome you report on this without having tested it yourself, making it almost sound like it's a defect without having it checked out by yourself.
I love you Nino but there's definitely something odd going on with the camera. I have shot strongly backlit subjects too with no issue with the camera… you have to shoot a clean horizontal, vertical, or angular surface that aliases to see it in most cases. (That's the only way I was able to force it to happen, anyway).
I am suspect of the waves photo too… I included it because it's such a severe shot. I need to get close to some waves to test myself. I suspect if I lower the exposure (like the Scarlet shot if you notice haha) it should be ok. But I'm not sure, so I'd like to see your test results.
The issue doesn't happen a lot, and it's just something to be careful about. But it shouldn't happen at all, which leads me to believe it is a processing error/quirk. I don't think it's a hardware flaw per se, but something isn't right. You saw it too on your footage, however rare it was, and you shouldn't have seen it at all…..
Lucas on 05.8.12 @ 2:56PM
there have been similar problems with Canon's previous cameras, with a little purple fringing (on the 50D, and the 5D, I believe)… but firmware updates were released to take care of those problems. hopefully firmware is the answer here, too.
Joe Marine on 03.30.12 @ 11:37AM
Ryan didn't write this by the way, I did. It's obvious that this isn't a major problem for most people – but I'm more concerned about Canon's response – you would think their engineers spending a few years on a camera would have seen something like this before.
Chris on 04.6.12 @ 4:25AM
Um guys, the sensor is a new state of the art sensor. Its not like the RED Sensor at all. The Red sensor is a barred sensor and it guesses on half the pixels while it sees the other half. The new canon sensor is Unbarred and every pixel takes in the information it sees. So in conclusion the canon sensor is 1:1 while the others are 1:2 hens the "problem" that is seen. Also as a Cinematographer, you should know that you shouldn't over expose like that. Its a rookie mistake and shouldn't be made in the first place. Just my two cents as a film student.
Chris on 04.7.12 @ 5:15PM
Chris, This is a different Chris.
"Also as a Cinematographer, you should know that you shouldn't over expose like that."
You said that, on this thread. Just know, that phrase is on the internet forever. And you are going to have to live with that. Try go telling those words to you're film school teacher. I highly suggest that you think about what you say, before you say it; from now on, if you ever want to become a cinematographer.
If you get your act together, and maybe start shooting film one day, you are going to have to overexpose a little bit, because with FILM, unlike DIGITAL, you can overexpose your highlights, in order to achieve more in your shadows and midtones, then "pull" down your highlights in post. This is common practice among cinematographers. Even cinematographers who shoot RED and ALEXA.
Figure it out, bud.
This is NOT an over-exposure issue per se. It's a high-light issue wherein exposure of intense specular light results in a rather unattractive 'break' in tonal values. It cannot be contained on any camera, even film.
Highlights such as this are way over any sensor or even film's ability to record this other than pure blown-out white.
It happens that film has a much better roll-off of highlights and is not as apparent. Digital sensors are not good at highlight roll-off and tend 'break' the transition from tone to pure white. And in this case, a highlight way over 110 IRE.
It just appears, with this image comparison, that the C300 can't handle it as well as the Scarlet does.
Daniel Mimura on 04.12.12 @ 10:55PM
"Rookie mistake", Chris? (1st Chris, not 2nd Chris) The rookie mistake is a post like that. Yeah, right. Even with all the 18k's you could dream of and all the bounce in the world…and on film…you can't control everything…even on the biggest budget. The sun is still burning very very very brightly. Waves in particular are going to get overexposure/blown out highlights (or underexposed shadows) whether you're Vittorio Storaro or Chris (the inflammatory film student). I have yet to see a way to put a double net over the ocean for something that is, most of the time, just a background.
But…that being said…I've very glad this has been posted. On set, it would be very easy to miss. It's a drawback of the tool. No big deal… (some of the reactions seem sort of extreme—if I just spent $16k and realized that the Scarlet doesn't do it, I might also make such a reaction…)
But at least knowing this, it makes it easier to at least know what you're in for, and whether you want to do something about it, just accept it, or reframe to avoid it…etc…
Joe you said it better than I could have. :)
On the NextWave post, the editor of Laforet's "Mobius" chimed in and stated he never saw the issue on any of the 20+ hours of footage from the C300 during that test. He noted that careful consideration of exposure accounted for that. I have no doubt (from experience no less) that when one takes the time and can carefully craft a scene and ensure exposure is correct, the artifact doesnt appear.
The issue is, as you state, if you're shooting documentary work where the enviornment may not be easy to control, you can suddenly be surprised by a variation light level just subtle enough to cause the issue but subtle enough not to see in the viewfinder. And sometimes you intentionally want highlights to blow out, or you can't control it (such as with the sun).
The good news is I have shot into bright sun before with no problem. The issue is with more man-made sources, anything angular and straight AND over exposed. In those envrionments, I'd definitely under-expose this camera slightly. Even if you have the benefit of the waveform monitor with the monitor unit attached (which doesn't show up in the EVF… why Canon.. why) – I'd still expose a bit below 100 for highlights. Then you wont see the problem show up. There's enough latutude in the footage to bring up the resultant lows without too much pain in post. And if you hand off the footage to a client who needs it ready-made, the slight underexposure shouldn't peeve anyone too much if they want to use it that way.
Those waves don't look very horizontal, vertical, straight or angular to me.
Danijel on 03.30.12 @ 11:26AM
I agree with Nino, you should make better research for articles like this. Alister Chapman reported about same problem 2 weeks ago but he also updated with his own test:
In short, his test showed it is connected more with the lens – with F3 he had same problems and with Tokina had less problems on both cameras. I would say this problem is real and present, but concluding it is hardware flaw…not very pro from you guys. I am c300 owner and very soon realized camera is working better when it is slightly underexposed. And I know very few if any reasons why should I overexpose in such a way. With any camera you should work to get the best picture, not push it to limitations, and any cameras has its own.
Joe Marine on 03.30.12 @ 11:43AM
The examples that I looked at look nothing like what Alister Chapman was talking about. His example is very clearly chromatic aberration. This is something completely different – they are definitely blocks of purple or green.
Danijel on 03.30.12 @ 1:15PM
I am not arguing there is a problem or why it happens. I am just saying every camera has limitations and working to avoid them is a best way to work with it. Alister didn't solved the problem of the camera but he didn't get into a problem of bad journalism.
It's a bit presumptuous to assume it's a hardware fault, Canon are looking in to it and as far as I know they have not announced anything about it yet. I do know for a fact that it's not a lens CA issue though, It's a moire / aliasing type effect that happens on junctions between horizontal and vertical high contrast areas.
Another C300 owner from the UK has also experienced it and had a client complain so he took his camera back to the main dealer (CVP) to show them and they easily replicated the issue with various lenses and are now talking to Canon about it.
I'm still hoping it might be a processing issue and fixable but if it's not then as said, it's just a flaw that the camera will become known for much like most other cameras.
Joe Marine on 03.30.12 @ 11:57AM
Whatever the issue is I will gladly correct my statement when an update is released – but it's simply an educated guess from what it looks like. It certainly may not be hardware, that's true – but if it is, it will be more difficult to fix.
People keep referring to over-exposure being the cause. Yes over-exposure can cause this problem but If a given scene has lots of shadow detail yet one very small area reflecting the sunlight the correct exposure will likely result in the reflected sunlight being blown out and that's when this is most likely to occur, especially if that area has a hard, in focus edge.
I'll be happy to show examples to anybody who thinks this is a non issue and a result of user error.
Nigel, it happens regardless of ND being engaged I'm afraid, good thought though!
MutinyCo on 03.30.12 @ 11:44AM
I think the Scarlet/C300 comparisons are getting a little tired.
The cameras shoot different formats. It's like wondering why 16mm doesn't look like 35mm. Both cameras have their benefits and drawbacks.
As it stands, being they're roughly the same price, if you want greater resolution go with Scarlet, if you want better light sensitivity go with the C300.
After they were announced, a major filmmaker I know was excited about the C300 over the Scarlet. I was surprised because most of the hype at that point was in Scarlet's corner. His reply was that he didn't want the hassle of dealing with a 4K workflow. I also know filmmakers who work with Epic/Scarlet, and they love the resolution so much, they consider even Alexa substandard.
Different formats, different creative choices, etc.
Joaquin on 03.30.12 @ 12:09PM
This remember me that a very similar fault appear on the Leica M8 sensor. The same kind of green when a strong highlight hits the border of the frame.
Its just funny, I remember reading @c300 twitter messages bashing the scarlet for glitches, saying the camera was buggy. I even remember people who have commented above making the same claim.
Nino has a valid point. We are in murky waters when we write about issues second or third hand from others and then come to conclusions without knowing all the details.
I've had exactly those artifacts on a similar scene with my 7D and discovered it had a lot to do with the ND filter I was using. We don't know what lens was used or if they were using any ND or filter.
This post has undertones of the 'RED is better than Canon' story line. A short review of the RED user site will reveal quite a few technical problems of the Scarlet, some of those threads have even been removed, yet I don't see those issues addressed over here.
'All cameras have flaws, as we know, but this seems inexcusable on a camera this expensive that's made for professionals.'
It would seem inexcusable that one would spend $20,000 on a Scarlet set up and deal with the issues that have been documented, but that's just me. This has been accepted by the RED community, there's a trade off.
There's a double standard here but does it really matter? There's nothing wrong with being biased one way or another in a personal blog, this is not journalism after all. Each of us has the responsibility to check various sources before we come to any conclusions.
Joe Marine on 03.30.12 @ 2:04PM
Speaking of murky waters, I can assure you there are no undertones or comparisons to RED being made. The still image in the post was simply the one I found that illustrated the point the clearest. The problem may very well have to do with downscaling or processing – which is why a comparison with a camera that doesn't do much of either one is a good one. The comparison could have been very easily made with another camera.
People who purchase RED know what they are getting into, and that firmware updates are constant and ongoing. The reason people deal with those issues is because you still can't buy a RAW 4K camera for any reasonable price – you're looking at $60,000+.
We cover both sides pretty equally, and it would be a complete waste of time sitting on REDuser trying to find every single glitch and reporting it, same with sitting on DVXuser and doing the same. People were talking about it, and it seemed like something we should take a look at it. If you buy from companies as large as Canon, or Sony, of Nikon, with such large R&D budgets, I think you're well within your right to expect more.
Indeed — replace "SCARLET" with "a camera from X Manufacturer that does not exhibit this strange behavior," and all of Joe's thoughts stand. As he says in the post, we'll keep tabs and weigh in once the issue is sussed out a bit more. It has nothing to do with comparing the C300 to RED specifically.
Bryan on 03.30.12 @ 3:07PM
Ryan, by "we" I assume you mean the guys you've farmed your blog out to?
I get it, you're busy with your film, but the quality of this place is dropping quick…
Of course that's only one observer's opinion, take it as you will.
I have to disagree – I think the new writers are great and getting better. There will always be elements that aren't quite as good to the perception of some people but thats inherent in incremental change that shuffles personnel. This is going to be particularly true in starting as one irreverent dudes blog with one voice to a major filmmaking news site and a definitive resource for the new wave of media and film professionals and hobbyists.
Bryan on 03.30.12 @ 3:53PM
@Walker – I don't think they're bad writers, I think they're boring writers. I started reading this blog because I appreciated Koo's perspective & presentation… Now that he's gotten his well deserved recognition & is expanding the site, it's losing the differences that used to make it stand out. There are too many "major filmmaking news" sites as it is, and I don't get why Koo would want to blend into the crowd.
Nothing specifically wrong with that, it just isn't going to keep me around as a reader.
And nothing against Koo, the man is definitely earning his success, and I can't tell him what to do with it! :)
I'm with Brian, Nigel, and Nino on this. The issue is really about jumping to conclusions when the first hand knowledge of the writer is very limited.
Just take the brand name out of it, it's not about Canon or Red or brand X. Joe – you picked the image to use in your story because you said it best illustrated the point. Paul did have that image in his story but it was not shot by him. The image seems to come from this thread at reduser: http://www.reduser.net/forum/showthread.php?74125-Color-balancing-Scarlet-X-and-Canon-C300/page7 . That poster has some other samples on page 2 of the thread as well. The page 2 samples use different lenses and different polarizing filters on the two cameras tested. The page 7 samples also use different lenses on the sample cameras (but no pola's this time.) It is not known what the cameras were set at or how the footage/images where processed.
So, what was picked to illustrate the NFS version of the story might be accurate or it may not best illustrate the extent of the problem. None of the samples provided by Paul Antico or Paul Joy show anything like the samples from reduser.
A week or two ago there was another NFS story which purported to show what how keying a 4:2:2 image from the C300 might go vs. a 4:4:4 image but the sample was third-hand. It was from another blog and the sample itself was not from a C300 image.
Again, the point isn't which particular camera model is the flavor of the moment and most discussed, it's really the direction of NFS. It was great articles in the past that were rooted in direct experience with the gear but lately there seems to be more content which is purely based on indirect speculation.
As a site we strive to cover as many filmmaker-relevant stories as possible. This means some of them will be firsthand and some not (see also: any blog, including much larger sites with larger staffs/budgets). In the camera world, lately we're posting hands-on material about the RED SCARLET, Nikon D800, and Canon 5D Mark III. I've also had a lot of positive things to say about the Sony F3. Point being, we're very brand agnostic and post our honest thoughts about them all. We may get things wrong from time to time but there is no conspiracy.
I write a blog post every day for two years, take two weeks off to work on my script, and suddenly I've "farmed out" my blog? Tough crowd.
We'll have more contributors in the future covering a wide variety of filmmaking topics — including, yes, me, but I'm also trying to make a (good) feature film and until I move the project to the next stage I don't have many experiences to share that might help others.
In my opinion E.M. and Joe have been doing a terrific job. But we're always striving to make the site better, and so constructive criticism can definitely help. So instead of "the quality of this place is dropping" — which I and a lot of others disagree with — what kinds of stories would you like to see more of?
Jules on 04.1.12 @ 2:38PM
There is such a thing as constructive criticism.
Feedback is great, and is an essential part of building and maintaining a great community site.
But insulting the new writers so directly will do nothing but hurt their confidence in trying to provide interesting articles to an already established community of readers.
And like I said, feeback is great, just be a human being about your delivery.
Put aside the Scarlet comparisons, by reading the comments the biggest issue most are having is the framing of the issue and the rush to judgement.
Obviously this is an editorial decision and reflects which way you are heading with this blog. Some will love the narrative and some won't.
McBlakewich on 03.31.12 @ 9:28AM
I've really enjoyed the content on the site now that Joe and E.M. have been involved. Unfortunately the negativity is just part of the gig. Information is what most of us are after. Whether you're in the market for a C300, Scarlet, or iPhone 4s I personally don't mind getting free knowledge on these products. Find something better and send us the link. Otherwise, if each post on NFS recently said it was by Koo I doubt you'd notice a difference.
Thank you.
The C300 image was compared to the Scarlet because the Scarlet image is what it's supposed to look like. 'nuff said.
No amount of Canon loyalty or Canon chest-pounding is going to fix it. Canon may be able to fix it but, it's a problem and Joe and Paul were correct in bringing it to our attention. Even by way of a Red comparison. Just because you think Canon can do no wrong, don't go stringing up the messenger. Seems to be a lot of nervousness in the Canon camp.
Mark Wagoner on 03.31.12 @ 12:54AM
Who says that is what an image is supposed to look like? Really…
Peter on 03.31.12 @ 3:39AM
Are you serious? The canon camp?? Oh dear
Can we stop bashing each other (Red and Canon) and just focus on the issue? If there actually IS an issue?
Álex Montoya on 03.30.12 @ 5:16PM
It certainly looks as an issue.
John Jeffreys on 03.30.12 @ 6:04PM
This "issue" seems to be just another pixel peeping internet whiners trying to start another C300/Scarlet bloodbath. Every C300 film ive seen is gorgeous, and the audience seeing the film in an auditorium probably does not notice or care.
John that's not why I wrote the original article at all, and don't give a rat's ass about Red vs Canon in the long run. I could care less about people defending their piles of plastic and metal.
I do care that the camera doesn't turn green when shooting highlights and to warn people who may not realize that it can happen or why it happens to maybe avoid situations that can cause it.
Alexa, Red, for the most part the F3 do not. I don't care if other cameras do… it's not right when it's clearly been engineered out of other digital cameras.
You're right about one thing – this issue (which by the way I have never seen manifested as bad as the Scarlet/C300 comparison shot; I just threw that in the article as an example of what someone else saw as it was so blatant) … this issue – for ME, has been barely noticeable. It existed in some shots and if I hadn't looked for it I would have never seen it, never mind my audience. Most people look right past it, especially if it's in the background (as it usually is).
But I saw some extreme examples online that other people were seeing, so I wanted to look into things further to try and help avoid the issue. In my world, that's called being helpful.
dixter on 03.30.12 @ 8:49PM
"The Canon C300 is quite the camera, and by all accounts it's a high-end professional camera (and we should refer to it as such since it's the most expensive camera Canon makes)." WRONG! Sorry Joe, no offence intended. And I think the "by all accounts" inclusion gets you off the hook. And, just because "it's the most expensive camera Canon makes" does not make it a high-end professional camera. Point is, the C300 is NOT a high-end professional camera. For one thing, high-end professional cameras are not limited to an 8bit codec. I'm sure Canon would like us to think it's high-end but, truth is, the C300 is a mid-level camera built for the, perhaps, upper end of the prosumer market. Canon is an upstart in the 'large chip' cinema market. And it feeds on well-financed brand loyalty. Canon and Nikon make the best still cameras in the DSLR category but, top honors in the digital stills field go to Leaf and Phase One. High-end professional cinema cameras are made by Arri, Sony and Red to name three of several and those are the cameras used in high-end cinema production. I can hear it now, "but, they use the 5D and 7D". Yea, for crash cams and very short segments where a big cameras won't go. I saw Act of Valor and was very favorably impressed. When the work demands it, use whatever camera works (or, whatever you can afford). But, would you shoot a feature on a 5D if you could use a better camera? Probably not. I'll admit it, I'm sick of the hype over this camera. Revolutionary, my a**! The C300 should cost less than half what it does. But, even at $8K I'd expect more. The fringing issue is, maybe, something they can fix… maybe. But, they may be in a little over their heads, too. Uh oh, I can hear the 'Canons' rumbling in the distance… better take cover.
Menelikk on 03.30.12 @ 10:56PM
Dixter thank you so much for your point. I have to say that I don't understand why people are trying justify canon or red cameras. A lion does not scrim I am a lion. When you see it you know. Am sick and tired of all that.
Why ppl are trying to help canon to convince us that 5 mk2 , 3 or 7d are great cameras for movies?
Allan S on 03.31.12 @ 9:35AM
Uhm, many high end professional cameras use an 8 bit codec, Sony F800 for one. All the XDCAM line. Then again perhaps the F800 isn't really a professional camera, only national broadcasters use them all over the world to record things like the Olympics. Not a large format camera but when throwing around the term professional one should be more careful
Uhm, I said, "not limited to 8bit". The F800 has SDI out and, therefore, will record, higher than 8bit to an external recorder.
what artifacts ? I call kings clothing here. I see nothing wrong. at most, there is vaguely a slight bluish bit in the water, its just so entirely minor. could be compression artifact more than anything else. this is one frame.
show me more because I see nothing of any concern… except for maybe the pixel peepers.
Álex Montoya on 03.30.12 @ 11:06PM
Álex Montoya on 03.30.12 @ 11:10PM
It's not pixel ppeping when you can see the artifact perfectly in a normal 1080 frame here:
dixter on 03.31.12 @ 12:39AM
Steve, it's the lower right image in the group of 4. Not the little thumbnail at the very top.
Mark Wagoner on 03.31.12 @ 12:38AM
We have shot footage this week with some areas with over exposed highlights and some with bright highlights and we have found no fringing or strange edges in the area where highlight and tone meet. In fact we have been surprised how well the C300 handles those problem areas. We will do some test for this, but not one issue so far.
dixter on 03.31.12 @ 12:43AM
Don't think it needs more testing… you can even see it in the gravel in the foreground.
Mark Wagoner on 03.31.12 @ 12:52AM
Well we will test our camera for it, just to be sure, but as I just said we have had no problems. So i do not think you need to tell me not to test something just because you have made a decision, about what I am not sure.
Robert T. on 03.31.12 @ 3:26AM
Koo, how about more stories that people won't argue about over who has more knowledge than the other.
Honestly, this whole comparisons and constant debate over nothing is enough to make one throw up. I think maybe a lot of you need to get over yourself and chill out.
The amazing thing about all this is the C300 is able to resolve a flying bird whereas the SCARLET totally misses it. ;)
dixter on 03.31.12 @ 7:25PM
Now that's funny! Maybe the C300 is, also, capturing details in the waves the Red can't resolve, too. Ha, ha…
Allan S on 03.31.12 @ 9:25AM
I've used the C300 and found a similar issue with some of my footage. Not sure if this was mentioned in some of the comments but I got tired of reading the C300/Scarlet comparisons.
I believe that what I saw and likely what people are seeing is a codec issue, as seen on many other cameras. It would be interesting to see if the issues would persist if an external 10bit recorder was used.
Not much point recording 10-bit, since the camera only outputs 8-bit… But if it's a codec issue, then you will bypass the codec this way, so worthwhile the effort. Anyone willing/able to test this?
hey, great article. i was one of the first people to point this out on the boards, and i'm so glad someone put the chromatic aberration issue to rest. the issue i was seeing was definitely sensor-related and not lens-related. however, since posting and discussing on the boards a number of people have come forward with solutions to the problem which are as easy as using a grain-plugin to reduce noise at high iso's. it's a different software process, but i'm not concerned that the issues can't be resolved after the fact. and it happens very, very infrequently, for me i've seen it usually when there's a rainbowish mixture of light. the pixels in the hot areas just don't seem to know what to do.
thanks for posting this!
Probably a debayer issue. Seems like a few things.
Could potentially be that there is an extremely aggressive denoise algorithm thats getting tripped up by clipped highlight edges. Like its averaging the clipped pixels and getting odd results. Since they have started with a 4k sensor they have a lot of room to pull a lot of trickery with the signal.
its Moire. But moire that is settting off the above mentioned denoiser. IT seems that it exists in the patch of concrete at the bottom of the screen as well. Blocks of semi transparent color. Very interesting.
Jerry on 04.5.12 @ 7:27PM
Joe, it is obvious, after reading other articles you've written, that you have an issue with Canon. Care to enlighten us?
Joe Marine on 04.5.12 @ 8:27PM
I only have issue with Canon's strange product plan and how long they've taken to get real solid video cameras to market. I like Canon actually, I've owned cameras from Canon, Nikon, and Panasonic in the last 3 years. My favorite setup of my earlier filmmaking career was a Brevis 35mm Adapter and Canon XH-A1, even if it wasn't a real 1080 sensor and it shot mini-DV tape (I'm still partial to CCDs for correct motion). I also have defended the 5D Mark III numerous times, so I have no issue with their actual products, just in their overall execution up to this point. Sony has developed a real plan for their product lines. I should probably be more on Panasonic than any company since they started the 24p revolution with the DVX, but they've locked themselves into the micro 4/3s sensor format and haven't released a high-end large sensor camera to date.
Let me say first, I own a Canon 1DSmk2 ($8000… what a fool I was), a 5Dmk2 and an array of Canon lenses. I make my living with them BUT, Joe SHOULD have an issue with Canon and so should everybody else.
Why? Because Canon is a greedy company and it thrives on blind loyalty… starving their customers for features they really want while bilking them for every dollar they can get with cameras with piddling upgrades and few features better than the last model. Remember having to beg for 24P on the 5Dmk2. They eventually, capitulated but, they really wanted you to buy the 7D. Then, not even 60fps at 720P… you HAD to buy a 7D for that.
They are smart… seems that thousands of Canon fanboys WILL flock to the stores for anything Canon cares to dangle in front of them. Now the 5Dmk3 for $1K over the mk2, gimme a freakin' break, same sensor size, no full HDMI out, o yea, 2 card slots and more focus points… I really needed those. And, I don't know, maybe some people like mushy video.
The C300 is a joke. $16,000 for a camera stuck with an 8bit codec and modest dynamic range. But, I bet I couldn't pry it out of the hands of a few guys I know (I'll be nice and not call them idiots) who made that unfortunate purchase. The F3 outperforms it on EVERY LEVEL! If you couldn't tell, I'm screaming that last line. And, don't give me the, "yea, but, it's smaller" thing, either. I held one of them and it ain't that much smaller than the F3, sorry.
As I said, Canon thrives on blind loyalty which, seems to be quite abundant on this blog but, that ethic may have caught up with them now and, as Joe is only trying to point out to you, they've bottle-necked themselves. Canon is an upstart in the large chip video game and with the success of the 5Dmk2 and 7D, I think they got a little too big for their britches a little too fast. Canon is to Sony what Pluto is to Jupiter. Did anybody actually think Sony was going to sit around and let them walk off with this market?
If Joe doesn't want to say it, I will… Sony has their shit together and Canon doesn't. Looks like, to me (and a lot of other people that don't have wool over their eyes) Sony is about to kick ass and take names.
FYI, I don't work for Sony either but, I'm pretty good at recognizing a 'pig in a poke'.
Daniel Mimura on 04.13.12 @ 12:01AM
I have no stake one way or the other—I'm not a $5k+ camera owner…(my steadicam will fly all of them and I've yet to see any jello on anything I've ever shot with a CMOS!)…but I see Sony pulling ahead in a major way compared to Canon unless Canon makes a paradigm shift. Sony has clearly stepped up development. And judging on a couple posts, the upgradability instead of replaceablity will make them quickly soar over what Canon seems to be doing.
Lets not forget, Canon completely fumbled onto the whole "D-SLR revolution" in the first place in their war with Nikon…if their video division knew anything about them making something that would kill…whatever they were working on after…what? ..the XL2 era of cameras? …they probably wouldn't have even let it happen.
So once they realized the 5D was actually decent…they (typically) marked up their flagship way high…
…but at the same time, not looking forward the way Sony and Red seem to have been doing. Canon has basically had the same disposable camera model they've always had. Red has had the chip upgrades, and Sony has had F3 with 4.2.0, but then S-log, and the latest 2 cameras coming out (whatever they're gonna be called)…
Canon's disposable model may work for the canon/nikon still market (that's what both brands have been doing for decades), but filmmakers spending upwards of $10k aren't so willing to chuck the baby with the bathwater every couple of years…it seems all the other camera makers in the price range seems to recognize this.
Daniel Mimura on 04.12.12 @ 11:55PM
I have found NFS to be incredibly unbiased and camera/gear agnostic. And instead of it falling off with Koo not doing every post..now you have 3 POV's instead of one. It's more diverse than ever. There is no "yes man" mentality to posts I've seen by Joe and E.M.
I read here instead of on reduser or any camera specific forums *because* it's not camera biased.
It's starting to remind me of hillbilly Ford vs Chevy crap. "I'd rather push mah 'ford than drahve a Cheve…" (or vise versa).
Um…I don't know, but I'd rather just use whatever works…and that's how I feel about cameras. I think Koo, Joe, and E.M. do a better job refraining from showing biases than most websites…and the readers that reply that have strong biases are the ones to quickly point out whatever biases don't agree with them.
So….. is there any solution on how to take it away from the image. Lower the saturation on the specific coloutchannel? or any other solution on how to make the picture look good agin in post? Because there must be…;)
Davito on 07.9.12 @ 7:04PM
I have an EOS550D, Canon t2i model. Camer is fringing and does not need to be overexposed. When I bught this the reviews raved how great it was for video and stupidly I believed and trusted. Was never happy with the sharpness and even bought an expensive lens. Now I finally realized as I can see the fringing in vertical and horizontal parts of the image. This is unexpected nd I will not buy canon again. Never had this with other cameras. Canon is not the answer for quality products.


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Hazelnut Brown Ale - The Fort Collins Brewery
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Ratings: 3 | Reviews: 1 | Display Reviews Only:
4.25/5 rDev +23.9%
11-09-2012 14:57:52 | More by tbone1384
4/5 rDev +16.6%
02-08-2012 02:34:42 | More by CopeTech
2.03/5 rDev -40.8%
On-tap at the Ale and Witch
A - It pours a copper-amber hue, bright and translucent, radiant even. But it has an oily look to it, and yet it seems thin, so it is kind of a mixed bag overall. Underperformance in the head department doesn't help.
S - It smells worse than it looks. I get bad barley smells, reminiscent of animal feed stock.
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D - I think I'll stick with *feels bad man*.
02-21-2011 08:20:25 | More by ktrillionaire
Hazelnut Brown Ale from The Fort Collins Brewery
- out of 100 based on 3 ratings.


text:
Fans of the Disney Planes movie will love the acrobatic aerial action of this fun Nintendo DS game version!
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Disney Planes is sure to provide hours of fun for younger gamers.
Age from 3 years.
Sonic Classic Collection gathers together the first four Sonic The Hedgehog adventures - Sonic The Hedgehog, Sonic The Hedgehog 2, Sonic The Hedgehog 3 and Sonic and Knuckles - introducing some of the most influential Sonic titles to a whole new generation of gamers exclusively for the DS. Sonic Classic Collection allows fans both old and new to speed through the much loved zones of the four original Mega Drive adventures, in a bid to collect the chaos emeralds and save the world.
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Age from 3 years.
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- New Super Mario Bros
- 2 player fun as Mario and Luigi
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Join Peppa Pig and her family in this fun-filled day out at the Theme Park. Packed with 18 exciting brand new games and activities, children will be entertained at home or on the go for hours. Enjoy preparing a picnic, playing i-spy, driving a bumper car, getting dizzy in a tea cup, making an ice-cream, plus much more! Both challenging and stimulating all games have been designed so they are perfect for children to simply pick up and play and to help develop their essential early learning skills! The perfect Easter gift and guaranteed winner for all Peppa fans and their parents!
Age from 3 years.
Nintendo DS Finding Nemo
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All of the tank fish have escaped to the ocean and you must play mini-games to get them farther out to sea. Collect sea tokens and purchase items in the interactive reef. You are able to enjoy creating and viewing your very own personal reef!
Nintendo DS Moshi Monsters: Moshlings Theme Park
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Moshi Monsters: Moshlings Theme Park will connect fans across the online and handheld platforms through exclusive codes and promotions, designed to increase engagement in new and exciting ways. Fans will uncover secret codes online at MoshiMonsters.com, which will unlock special areas and content on the Nintendo DS.
Age from 3 years.
Welcome to amazing Heartlake City where summer fun awaits! Meet your new Lego Friends and join them on exciting adventures that build friendships with the girls and allow you to express your individual style and personality as you explore the city. Shop for the latest outfits and accessories, select the perfect hairstyle, decorate your bedroom and even pick out a pet. Choose how to spend your summer vacation; whether you'd rather attend horse riding camp, perfect a dance routine, play soccer, practice karate, or care for an animal at the rescue center, you can do these things and more as you express your creativity, and build fun memories with your five new friends!
Game features express yourself: Pick out your clothing, hairstyle and accessories, decorate your bedroom the way you want, choose your favorite animal as a pet and even pick out accessories for your pet! Meet New Lego Friends: Join your new friends on unique adventures. Help Andrea decide what to sing at her concert, or take photos for Emma's newspaper article. Enjoy different activities with each girl as you learn about her unique personality, interests and personal style.
Enjoy Total Freedom: Explore Heartlake City and decide how you want to spend your time. Hang out with your friends at the cafe, play soccer, attend dance rehearsal, or master skills at the karate dojo. On some adventures you'll even unlock in-game money that you can use for shopping! Care for Your Pet: Train your pet to do tricks, groom her, feed her treats, and enter her in a pet show. Each pet has a special skill that they can use to help you on your adventures. You can even trade places with your fun loving pet so you can play the game from her perspective.
Put your showbiz knowledge to the test by taking on the role of editor in this OK! Magazine Puzzle Stars for Nintendo DS.
It features a wealth of puzzles and themed games from the world of OK! Magazine. Enter the fast paced world of publishing and get all 12 editions finished and sent to the printers by completing the fun challenges in each issue.
There are hundreds of puzzles and bonus games from Sudoku to word search and proofreading based on the hottest OK! Magazine topics like celebrities, fashion, food, horoscopes and entertainment.
Itfeatures real-life celebrity photos of the biggest stars and you can also unlock fun bonus games like jigsaw, hangman and chain letters.
Useful info:
- OK! Magazine Puzzle Stars
- Solve hundreds of showbiz themed puzzles
- Test your celebrity knowledge
Age from 3 years.
Nintendo DS Lego Lord of The Rings
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Help Frodo defeat the sinister Sauron in the epic Lego Lord of the Rings for Nintendo DS.
Become your heroes and relive amazing adventures from The Fellowship of the Ring, The Two Towers, and The Return of the King in a game which has all the fun and famous tongue-in-cheek style of the Lego games.
Discover over 80 playable characters including Frodo, Aragorn and Gandalf and explore exciting levels, solve timeless riddles, and overcome endless foes in your quest to destroy the One Ring and save Middle Earth.
Useful info:
- Lego Lord of the Rings
- Over 80 playable characters
- Relive the magic of the Lord of the Rings Trilogy
- Suitable for age 7 and above
Nintendo DS Monster High: Skultimate Roller Maze
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Lace up your skates and prepare for some monstrously good fun in Monster High: Skultimate Roller Maze for Nintendo DS.
Skate your way through the crypts of Monster High and other schools, collect power-ups, avoid fiendish obstacles, scream past the competition and use each character's unique special ability to win the race and bring home the victory!
There's hidden items to discover along the way, and you can choose from multiple difficulty settings to make the game as easy or as tough as you want so the fun lasts even longer.
Useful info:
- Monster High: Skultimate Roller Maze
- Race as your favourite Monster High character
- Collect power ups to help your team
- Suitable for age 7 and above
Marvel Super Heroes are assembling for an action-packed, brick-smashing good time! LEGO Marvel Super Heroes offers an original storyline in which Nick Fury calls upon Iron Man, the Hulk, Thor, Spider-Man, Wolverine and other heroes spanning the Marvel Universe to save Earth from such threats as the vengeance of Loki and the hunger of Galactus, Devourer of the Worlds. LEGO and Marvel fans will enjoy classic LEGO video game adventure and humour, while playing as their favourite Marvel characters. In LEGO Marvel Super Heroes, players will unlock more than 100 characters from across the Marvel Universe, including fan favourites like Spider-Man, Iron Man, Wolverine, Captain America, the Hulk, Thor, Black Widow, Hawkeye, Deadpool, Loki and Galactus! The game will pack in a plethora of super-cool character abilities, combat-like action sequences, epic battle scenes, puzzle-solving and a unique story told with playful LEGO humour.
Nintendo DS Lego Pirates of the Caribbean
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LEGO Pirates of the Caribbean: The Video Game is an action adventure game which re-creates the memorable moments of the Pirates of the Caribbean mythology in LEGO form. Players can take on the roles of more than 70 characters and experience the pirate adventures, irreverent humour and amazing creatures of all four Pirates of the Caribbean films, including the all new 'Pirates of the Caribbean: On Stranger Tides' in the unforgettable LEGO style!
For more information on Disney Movie rewards please go to: www.disneymovierewards.co.uk
Age from 7 years.


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The City of Montgomery has become one of the first municipalities in the state to help citizens embrace electric automobiles.
Alabama Power joined Montgomery Mayor Todd Strange this morning in dedicating the city's first municipally owned electric vehicle charging station.
The station is located in a parking space at the intersection of Commerce and Tallapoosa streets in downtown Montgomery. The space is open in two hour increments to any electric vehicle needing to be charged.
"I commend the City of Montgomery and applaud the vision of Mayor Strange in recognizing a need for electric vehicle owners in the city," said Leslie Sanders, vice president of Alabama Power's Southern Division. "As a point of pride, the City of Montgomery is among the first municipalities in Alabama to install public charging for electric vehicles. Through our ongoing partnership with the city, we will be collecting valuable data on public charging at this site – information that will help us better serve our customers in Montgomery and across the state who are interested in learning more about plug-in electric vehicles."
Mayor Strange said during the dedication there are approximately 100 electric cars currently in use in Montgomery.
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Wonderful Oceanfront 5BR/5.5BA Home with an Oceanfront Heated Pool in Hilton Head Island
- bedrooms 5
- baths 5½
- sleeps 14
- pool yes
- hot tub no
- pets considered yes
- type House
rates (USD)
/ night
$ 3,195 - $ 9,073 / week
$ 13,693 - $ 19,169 / month
vacation rental description
2 Collier Beach, Singleton Beach
- Oceanfront 3 Story Home
- Private Oceanfront Pool*
- Multiple TV's, DVD and VCR Players
- Multiple Balconies
- Wireless Internet
- Gas Grill
- Sleeps 14
This is a wonderful oceanfront 5BR/5.5BA home with a oceanfront heated pool*, private baths for all bedrooms, beautiful kitchen, numerous balconies and even a spectacular 3rd floor oceanfront family room/game room with its own mini kitchen.
The excitement, elegance and comfort of this home are immediately apparent as you open the front door. For here you are met with a stately furnished entry with a stone floor, high ceiling and the start of a beautiful graceful winding staircase. The step down living room is enticing. You are first struck with the captivating views of the ocean, beach and your own private walkway to the beach. The living area draws your eye as it is beautifully furnished with white couches facing each other and flanking a handsome white stone decorative fireplace. This large living area, together with its high ceiling and spectacular vistas, TV with VCR and DVD make this a very special and exciting place to relax, unwind and catch up on life.
The dining area is stunning, not only because of the oceanfront views, but due to the setting. Two steps up from the living area on a beautiful stone floor is the dining room table with seating for eight. Overhead is a bronzed sea grass chandelier and a massive bronzed mirror. Right next to the dining area is the breakfast bar with seating for three. This kitchen is fabulous, not only will you enjoy oceanfront views, but the kitchen itself is spectacular with black granite countertops, center island with cook top and great looking cabinets with glass display case.
The first bedroom is also on the main floor and offers a king bed, private balcony, and bath with private entrance as well as a hall entrance. Completing this floor is the laundry room.
Up to the second floor, via the stunning winding staircase are three bedrooms. The master bedroom faces the ocean offering breath-taking views of the beach. Here you'll find a massive ornately carved king bed, sitting area with a sleeper chair and armoire with TV and VCR. The master bath has been lavishly designed with a large spa tub next to the windows, dual sinks, separate shower and stone floors. The next bedroom has a king bed, balcony, TV with DVD and private bath with a spa tub. The third bedroom on this floor offers twin beds, balcony access, armoire with TV and DVD and a private bath.
Up to the third floor, where you will be excited to see a large high ceiling family room with stunning ocean and beach views. This room offers two couches, one being a sleeper sofa, facing the ocean and a large armoire containing a TV with DVD, a glass topped game table and a mini kitchen complete with sink, microwave, mini refrigerator and bar stools. There is also a balcony for a front row seat to the natural beauty and majesty that's at your door. Also available is a half bath. Completing this floor is the fifth bedroom, which offers a queen bed with a sleeper chair and private bath with dual sinks, tub and shower and balcony with a splendid view of this salt marsh.
Outside is your 20' x 12' oceanfront pool*, lounge furniture with table and chairs and private wooden bridge to the beach and the ocean.
*Pool may be heated upon request at an additional charge with two weeks advance notice.
**Parking is limited to four cars.
property availability
- dates with deals
- unavailable dates
Last modified on 09-1-2014 at 9:56 AM.
email owner view full calendar
Owner/Property Manager 800 445-8664
house rental amenities
Property Type
- house
- luxury
- internet
- washing machine
- elevator
- clothes dryer
- grill
- gourmet kitchen
Pool / Spa
- private pool
- communal pool
- Bathrooms
- 5 bathrooms 1 half Bath
- Bedrooms
- 5 bedrooms, sleeps 14
- vcr
- deck / patio
- pets considered
- non smoking only
payment methods
Owner has not provided their accepted payment methods
Prior to paying a reservation deposit, always verify payment instructions by calling the phone number displayed on this listing page. By contacting the owner directly and paying by an approved method - credit card, paypal, check or bank transfer - your reservation payment will be protected up to $1,000.Learn more in our Security Center


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Cub Scouts raise money in memory of leader (From Salisbury Journal)
If you have a story call our newsdesk on 01722 426511 or email us. To advertise call 01722 426500.
Cub Scouts raise money in memory of leader
Updated 8:50am Tuesday 29th January 2013 in News By Morwenna Blake
CUB Scouts from Salisbury held a sponsored hike in memory of their leader Dene Turner, who died following a heart attack in March last year, raising £980.
The Salisbury and South Wilts District Cub Scouts took on the eight-mile walk around Winterslow and East Grimstead and through Bentley Woods to raise money to be split between their pack and the British Heart Foundation (BHF).
Alison Rosier, fundraising volunteer manager at the BHF, said: "We'd like to thank the 8th Salisbury Methodist Scout Group and District for organising such a fantastic event. It sounds like a great time was had by all!
"The BHF can only continue its life-saving and life-changing work thanks to money raised from events like this. We urgently need more local groups to support us. Keep working with us and together we will beat heart disease - for good."
The youngsters who took part achieved their Hikes Away badge through the walk, and presented Mrs Rosier with a cheque when she visited them earlier this month.
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Last month, we showed you a history making surgery for South Dakota and the region: a single incision no scar total hysterectomy was performed at Avera McKennan hospital in Sioux Falls. Now we get to meet the patient who has nothing to show for the surgery but a smile and she couldn't be happier.
Logene Strathman from Randolph, Nebraska is back in Sioux Falls for her follow-up check-up with Dr. Luis Rojas with the Avera Women's Center for Gynecologic Cancer. In late September, Logene had a total hysterectomy to remove a pelvic mass, but hers made medical history in Sioux Falls, South Dakota and the region. Dr. Rojas was the first surgeon around here to perform a single incision total hysterectomy. A surgery he describes as just being born and already showing great promise.
Dr. Rojas, "We are making less invasive surgery even less invasive. There are very few publications on this so we will be one of the first to publish something on this and already we are seeing less pain for patients, patient recovery is quicker. Plus, we deal with females here. They like a belly with no scars."
It's done laparoscopically, but instead of using the traditional 3 instruments, making 3 incisions and leaving three scars through the abdomen wall, he uses one port. All the instruments go in to that single port. One incision is made through the belly button leaving no visible scar.
Dr. Rojas says, "She (Logene) is doing really well. Her bowel and bladder functions were never altered and she is back to her normal activities."
Logene only stayed in the hospital for one night and went home the next day. Even then she only used pain medication for 2 days. Dr. Rojas says less incisions means less trauma to the body and that equals less pain.
Logene says, "It's been great. I was surprised how well I felt after being home for only one day. I was able to walk around the farm for several blocks. I felt really well really quickly."
For Logene that was the important part. Getting back to an active life on the farm and it doesn't hurt that she has a scar free tummy either.
Logene smiles and says, "Oh yes! I'd recommend it to anyone."
By the way, the tumor Dr. Rojas removed during Logene's hysterectomy came back benign. Now Logene is happy to say she is both cancer and scar free.
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HESI Health Education Services Inc.
The HESI A2 exam is a computerized test given for admission assessment to the nursing program at Gloucester County College and other institutions.
The test consists of subject tests, personality assessments and a critical thinking component.
Students have up to five hours to complete the exam. Students may take the components of the test in any order they choose.
No personal calculators are permitted; however, there is a calculator available on screen for the duration of the test.
No cell phones or other electronic devices are permitted in the Testing Center.
In-person registration is required and is done in the Testing Center during regular business hours. For information, call 415-2268.
All paid registration forms MUST be returned to the Testing Center to reserve a seat.
When the paid registration form is returned, Testing Center staff will assist the student in getting a username and password which is required to take the test.
Testing dates are published in the Nursing Packets and on the website. There are a limited number of seats available for all test dates and students should be aware that test dates fill and are closed even before deadline registration dates.
Have questions? Check out the FAQs for HESI by clicking HERE.


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Course Directory
:: Course Offerings
The course offerings at Clarion University of PA go through an extensive review process by the Committee on Courses and Programs of Study (CCPS). This course offerings list is a comprehensive list of courses that could be offered; it does not mean they are currently being offered.
For a complete list of courses offered on the current or upcoming schedules, see the Registrar's page
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To start a new search enter the course number of the subject or title you are searching in the box below.
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Course Title
Course Description
Physics Of Energy & Environ
This course is the study of the physical laws and processes that underlie environmental phenomena with a special focus on energy (mechanical, thermal and electrical). We will establish both a qualitative and quantitative understanding of the underly,ing physical processes. Technical, economic, and social consequences of these laws and processes will be examined to better delineate the complex decisions related to human energy use and environmental issues. This course might serve as a substitut,e for PH 251 (General Physics I) and will prepare students equally well for PH 252 (General Physics II) should that course be required of their major. Prerequisite: Algebra|
Solar System Astron
Examines the motions of Earth, moon, and the planets and their effects on the appearance of the sky; the nature of the sun and the planets; the instruments of the astronomer; and the role the history of astronomy played in the development of our unde,rstanding of the sky. Includes constellation identification through the use of the planetarium. Each semester.|
Stellar Astronomy
Explores human understanding of the nature, formation, and evolution of those celestial objects that lie beyond the solar system. Includes stellar properties and spectra, stellar evolution, special stars and star systems, the milky way and other gala,xies, cosmology, and cosmogony. Uses the planetarium for constellation study and the development of coordinate systems. Prerequisite: ES 200. Spring, annually.|
General Physics
Introductory course for non-physics majors. Emphasizes mechanics, including vectors, kinematics, dynamics, energy, momentum, rotational motion, harmonic motion, and waves. Integrates computer-based laboratory and lecture into three two-hour class per,iods. Prerequisite: Algebra. Each fall.|
General Physics II
Introductory course for non-physics majors. Emphasizes electromagnetism and light, including electrostatics, circuits, magnetic fields, geometrical and physical optics, optical instruments, and atomic spectra. Integrates computer-based laboratory and, lecture into three two-hour class periods. Prerequisites: Algebra and either PH 251 or 261. Each Spring.|
Ex In Spc: Exc Nanotechnology
Introductory course for science and mathematics majors. Discusses current and developing sub-micron range technologies. Includes an exposition of the physical laws governing matter-energy interactions at a microscopic level and their consequences a,nd applications to nanotechnology in areas such as mechanosynthesis, molecular sorting, assembly and manufacture, nanomechanical computation systems, and fabrication of nanoscale structural components. Relevant demonstrations and experiments may be,incorporated, depending on time and equipment availability. Prerequisites: PH 251 and/or PH 252.|
Intro To Ph I
Introductory course for physics majors, pre-engineers, and students in other disciplines seeking an understanding of physics at a rigorous mathematical level. Emphasizes mechanics, including vectors, kinematics, dynamics, energy, momentum, rotational, motion, harmonic motion, and waves. PH 268 must be taken concurrently by physics majors and pre-engineers. Prerequisite: MATH 270, which may be taken concurrently. Each fall.|
Intro To Physics Lec II
Continuation of PH 258, an introductory level course for physics majors, pre-engineers, and students in other disciplines seeking an understanding of physics at a rigorous mathematical level. Emphasizes electromagnetism and optics, including electros,tatics, circuits, magnetic fields, geometrical and physical optics, and optical instruments. PH 269 must be taken concurrently with PH 259 by physics majors and pre-engineers. Prerequisite: PH 258. Each spring.|
Physics Of Energy & Environ
This course is the study of the physical laws and processes that underlie environmental phenomena with a special focus on energy (mechanical, thermal and electrical). We will establish both a qualitative and quantitative understanding of the underly,ing physical processes. Technical, economic, and social consequences of these laws and processes will be examined to better delineate the complex decisions related to human energy use and environmental issues. This course might serve as a substitut,e for PH 251 (General Physics I) and will prepare students equally well for PH 252 (General Physics II) should that course be required of their major. Prerequisite: Algebra|
Intro To Ph I Lab
Complements PH 258, and should not be scheduled by students not enrolled in PH 258. Experiments include free-fall, kinematics, momentum and energy conservation, collisions, and wave phenomena. Each fall.|
Physics Lab II
Complements PH 259, and should not be scheduled by students not enrolled in PH 258. Experiments include electrostatic phenomena, potential, circuits, magnetic forces, refraction, lens properties, atomic spectra, and interference and diffraction. Util,izes computers for data analysis and presentation. Each spring.|
Condensed Matter Lab Practicum
This course is an introduction to the processes for constructing sub-micron sized mechanisms. The practicum consists of six emphases: Materials, Safety & Equipment; Basic Contact Lithography, Basic Etching and Deposition Techniques: Thin Film Deposi,tion and Etching Practices; Design and Mast Fabrication; Material Modification Processes; and Characterization, Packaging, and Testing of sub-micron devices. Prerequisite: PH 254, and acceptance into the NMT Capstone Semester at Penn State, and must, complete a university petition for an independent study course prior to enrollment. Each semester (Summer recommended)|
Astrophysics I
Explores the lives of stars using the principles of physics and the tools of astronomy. Topics include celestial mechanics, spectroscopy, stellar atmospheres, stellar interiors, binary stars, nucleosynthesis, energy transport, supernovae, white dwar,fs, neutron stars, and black holes. Prerequisites: PH 258 and PH/ES 201. Spring, every other year.|
Astrophysics II
Explores the objects of the Solar System and the Universe using the principles of physics and the tools of astronomy. Topics include the nature and formatin of the planets and asteroids, the morphology and dynamics of the Milky Way, the nature and e,volution of galaxies, the large-scale structure of the Universe, and cosmology. Prerequisites: PH 301 and MATH 272. Fall, odd-numbered years.|
Mech & Dynamics
Intermediate course in the mechanics. Uses techniques from vector analysis and differential equations to study mechanics at a level above that of PH 258. Includes Newton's laws of motion, rectilinear motion under the influence of a variable force, os,cillatory motion, energy, momentum, motion in three dimensions, central forces, celestial mechanics, systems of particles, and rigid body motion. Prerequisites: PH 252 or 259; MATH 350. Fall, odd-numbered years.|
Elec & Magnetism
An intermediate-level course in electricity and magnetism. Uses vector algebra extensively in the presentation and development of the basic empirical laws of electromagnetism, and introduces vector calculus as required in the derivation and expressio,n of Maxwell's equations. Includes electrostatics, dielectric media, current and circuits, magnetic fields, magnetic media, Maxwell's equations for vacuum and dielectric media, and electromagnetic waves. Prerequisites: PH 259 (or 252) and MATH 350 wh,ich may be taken concurrently. Spring, odd-numbered years.|
Modern Physics I
Intermediate course in modern physics. Includes relativity, kinetic theory of matter, the photon, electron waves, the Bohr model of the hydrogen atom, the Schrodinger wave equation, solution of the Schrodinger wave equation for the hydrogen atom, ato,mic physics. Prerequisites: PH 252 or 259; MATH 270 with MATH 271 concurrently. Fall, even-numbered years.|
Intermediate course in geometrical, physical, and modern optics. Includes thin lenses, thick lenses, interference, diffraction, polarization, color theory, spectra, lasers, holography, and fiber optics. Prerequisites: PH 252 or 259; MATH 271, with MA,TH 272 concurrently. Fall, odd-numbered years.|
Mod Physics II
Continuation of Modern Physics I. Includes structure and spectra of molecules, band theory of solids, structure of the nucleus, radioactive decay, nuclear reactions, radiation detectors, and elementary particles. Prerequisites: PH 353, MATH 272. Spri,ng, odd-numbered years.|
Intermediate course in heat. Develops basic concepts and principles more intensively in the study of properties of gases and in thermodynamics. Some of the specific topics studied are temperature measurements, thermal expansion, specific heat, ther,mal conductivity of solids and liquids, thermal properties of gases, change in phase, and heat engines. Prerequisites: PH 252 or 259; MATH 350, which may be taken concurrently. Spring, even-numbered years.|
Condensed Matter Physics
The course is an introduction to the structure and properties of the solid state of matter. Topics to be covered are the energy band theory of solids, composition and symmetry of crystal lattices, bonding and imperfections in crystals, and semicondu,ctor composition and construction. Prerequisite: MATH 272, which may be taken concurrently. Spring, even-numbered years.|
Experimental Physics I
Intermediate-to advanced-level laboratory. Includes experiments spanning the areas of heat, mechanics, electricity and magnetism, optics, and atomic and nuclear physics. Students select experiments from these areas according to their interests and,background, and as dictated by equipment availability. Emphasizes measurement precision and careful error analysis. Includes one lecture hour per week and three laboratory hours per week (individually arranged). Prerequisites: junior-senior stand,ing, and completion (or co-registration in) at least two of the following courses: PH 351, 352, 353, 354, or 355. Each fall.|
Experimental Physics II
Continuation of Experimental Physics I. The one-hour lecture requirement is omitted, and the student completes a different set of experiments. Prerequisites: PH 371 and completion of (or co-registration in) at least four of the following courses: PH,351, 352, 353, 354, 355, 356, or 357. Each fall.|
Special Topics
This course includes an introduction to gate circuits, Boolean algebra in the minimization of gate circuits, flip-flops, counters, timers, the design, operation, and programming of microcomputers, D/A and A/D conversion, and the interfacing of integr,ated circuits to external devices. Prerequisite: PH 259/269 or PH 252, and MATH 271.|
Ind Study Phys Mea
Examines the theory and application of precision measuring instruments spanning many areas of physics. Experiments are developed to fit the background and needs of the individual student, utilizing equipment from the various laboratories of the Phys,ics Department. Students spend from three to six hours in the laboratory, depending on the number of credits elected in consultation with their advisors.|
Analog Electronics
Introduces network analysis, A.C. circuits, and solid state devices. Includes discrete devices, power supplies, amplifiers, oscillators, and operational amplifiers. Emphasizes application of circuits to scientific instruments. Prerequisites: PH 259/2,69 or PH 252, and a course in integral calculus. Spring, even-numbered years.|
Demo In Physics
Designed for the secondary education major in physics and may not be used as a physics elective for the B.A. or B.S. in physics major. Stresses preparation and performance of classroom demonstrations for use in secondary schools. Prerequisite: PH 252, or 259. On demand.|
Intro To Math Ph
Uses the techniques of vector calculus and differential equations to treat problems in mechanics, electricity, and other areas of physics at a level intended to prepare the physics major for graduate level work. Discusses and applies analog and digit,al computer techniques to a variety of physical problems. Prerequisites: PH 258, 259, mathematics through MATH 350. On demand.|
Develops skills in literature-survey and library research in specific areas in conjunction with the preparation and presentation of formal reports on research topics. Prerequisites: Senior standing, science major. Spring, annually.|
Research In Physics I
Gives junior or senior physics majors useful experience in the techniques of laboratory research in physics. Students will either participate in an on-going research project under the guidance of a faculty member, or initiate an investigation of the,ir own. A final report in a form suitable for publication will be expected upon conclusion of the project. Can serve as a substitute for PH 372: Experimental Physics II. Prerequisites: Permission of the instructor. Students wishing to enroll in, PH 498 must complete a university petition for an independent study course during the semester prior to enrollment in the course.|
Research In Physics II
Continuation of PH 498, to permit completion of lengthy research activities initiated in PH 498, for which one semester is insufficient. Continuation is at the discretion of the project director, and the credits may not be substituted for other phys,ics requirements. The same prerequisites must be fulfilled as for PH 498, except that notification of the department chair must precede any independent study deadlines set by the university.|
Bas Phys Sci Phys & Astr
Intended for students not majoring in the sciences or mathematics, and does not presume any prior familiarity with the subject. Science and math majors will not receive credit for this course. Discusses the nucleus of the atom and radioactivity, fund,amentals of electricity and simple circuits, and descriptive astronomy. Integrates experiments with the subject matter to develop theory from an experimental basis. Uses the Planetarium extensively in conjunction with the section in astronomy. No pre,requisite. Each semester or on demand.|
Exp 20th Cent Phy For Non Sci
Intended for students not majoring in the sciences or mathematics and presumes no prior familiarity with the subject. Science and math majors will not receive credit for this course. Discusses a variety of topics in solid state physics and modern q,uantum mechanics including energy levels and bands, emission of electromagnetic radiation, wave-particle duality, and quantum tunneling. Integrates demonstrations, hands-on experiments, computer visualization programs, and in-class discussion to dev,elop conceptual models from an experimental basis. No prerequisite. Each semester or on demand.|
Aerodynamics: Ph/Bio Of Flight
The biomechanics of flight. Students will use techniques in physics and evolutionary biology to study how animals fly and swim. Drawing upon bats, birds, insects, and even winged seeds, we will discuss and test the basic operating principles of win,gs. We will apply results obtained with a wind tunnel to the locomotion of objects in water. Students will then be able to compare and contrast the flyers and swimmers of nature with those of human invention. The course will have a substantial stu,dio laboratory component. Offered every other fall.|
Explor Phy Sci: Phys & Astron
Explores selected physical principles with the purpose of providing a background that will enable students to understand physical phenomena. Intended for non-science majors and does not presume any prior familiarity with the subject. Students who hav,e already successfully completed PHSC 112 will not get credit for the course. Topics may include motion, heat, the nucleus of the atom and radioactivity, fundamentals of electricity and simple circuits, atmospheric physics, and descriptive astronomy., Every spring|
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