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Canon EF 50mm f/1.2L USM

ef50lusm
Review Date: Feb 23, 2010 Recommend? yes | Price paid: Not Indicated | Rating: 9 

 
Pros: OOF-rendering, solid lens, contrast, speed
Cons:
CA when shooting between f1.2 and f2.8 on a 7d, price

I bought this lens as a portrait lens on the 7d.
I tried the 50/1.4 but it did not seem as smooth (bokeh) IMO as the images I had seen from the 50/1.2 and the 50/1.4 showed strong CA in contrasty areas of the images on the 7d.
Overall I like the 50/1.2mm for its smooth rendering, my sample does not seem to suffer much from focus shift problems (I had however to do some micro AF adjustment in my camera for this lens).
However the 50/1.2 also does show the CA problem in contrasty scenes. The problem is gone around f4.0.
I am not so concerned though since for the intended use (portraits like images) I dont see the CA as a big problem.
I wonder if this problem is much more pronounced on the high pixel density 7d camerad compared to FF.
Dont know.
Anyways, overall I really enjoy the lens. DOF is pretty shallow at f1.2, definatly as shallow as I would want to go. So nobody tell me a crop camera is not good for shallow DOF.