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  Reviews by: Wojtek Rychlik  

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Canon EF 50mm f/1.2L USM

ef50lusm
Review Date: Apr 19, 2007 Recommend? yes | Price paid: $1,400.00 | Rating: 9 

 
Pros: Better than its predecessor 50mm f/1.0
Cons:
Problems with autofocus

It's one of the sharpest Canon L lenses that I've tested. Even at f/1.2 is very sharp on the edges (see the test on http://pikespeakphoto.com/canonlenstst2.html and click on appropriate links to see the actual photos), approaching maximum theoretical resolution on a full frame camera Canon 1Ds Mark II. The only disturbing thing is that autofocus misses about 2 inches from 4 feet (overshoots). I agree with others that the problem is less apparent with the distance, and it auto-focuses perfectly when the subject is far away. Vignetting and local distortions at the sides much less apparent than in it's larger f/1.0 predecessor, except that the barrel distortion is 2x larger (about 1.6%). If not this autofocus flaw (Canon technicians did not acknowledged about this general problem and recommended exchange!) I would not hesitate to rate it at 10. The actual optics quality even surpassed my expectations.