Title: Superb lens
Review: I've been in and out of photography for many years. I've recently compared the Canon EF f1.8 and f1.4 lens with each other (I currently own both) and made comparsions to the excellent Canon 28-135mm IS lens.The f1.8 lens is very good as well, but lacks the build quality and lowest level light gathering power of the f1.4. Additionally the f1.8 lens has a 5 vs. an 8 blade iris and accordingly blurred point light sources tend to be pentagon shaped instead of round.When compared to the 28-135mm IS lens, the difference is notable at the edge of the lens and in depth of field. Also stabilized (IS) lens reduce camera shake but do not freeze action. Accordingly, the f1.4 lens is superb for baby friendly flash free indoor photography.Bottom line is that the f1.4 lens is about as good as it gets. It has superb low light capability, is light weight, has razor sharp images and deep depth of field, produces great contrast, is very well made, very quiet and fast focusing.
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