Title: Very Sharp, Ok Build
Review: When I picked up this lens I was amazed at how sharp it was. I own a 85 1.8 and a 50 2.5 and this is sharper than either of these. Colors and contrast are good, but not amazing. My only real complaint with this lens is that the build quality (perhaps only on my copy) was below what I have come to expect from Canon lenses. The focus ring is not super tight, moves up and down perhaps .5mm. And the lens mount is not very crisp, it feels as if it rubs into position and is slightly hesitant to lock. For the money though, 5 stars.
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