Roger Cicala tries the FE 35/2.8 and A7R

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quezra
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Roger Cicala tries the FE 35/2.8 and A7R
7 months ago

http://www.lensrentals.com/blog/2013/12/sony-a7r-a-rising-tide-lifts-all-the-boats

the Sony A7R with 35mm f/2.8 lens shot at f/2.8 outresolved the Nikon D800e with either the Nikon 35mm f/1.4G shot at f/4 or the Zeiss 50mm f/2 shot at f/5.6. Stopped down to f/4 to even the playing field, the Sony was clearly higher. In fact, the only lens-camera combinations we’ve seen with that kind of MTF50 is the Zeiss Otus 55mm mounted to a D800e.

The strengths of a state of the art modern lens... it's too expensive for me but wow you get bang for this little beauty.  The 55/1.8 could well be a bargain if it's as good; definitely on my shopping list.

If I were to make a quick summary:

  • The A7R delivers amazing resolution. At least as good as a Nikon D800e.
  • The two Sony-Zeiss prime lenses (the 35mm we tested, and the 55mm tested by SLRgear.com) are excellent. Hopefully other native-mount lenses will also be excellent.
  • Other-brand, standard-range (35mm and up) shot on a well-matched adapter give superb center resolution, better than you would get on the native mount camera, unless that camera is a D800e. Corner resolution is very good, although less than amazing.
  • Given past experience, and several early reports, shooting lenses wider than 35mm on an adapter is going to be a bit more challenging. I doubt we’ll be able to make too many generalizations. Rather each lens will have to be evaluated on the A7R to see how it performs.

MTF charts show the centre performance clearly shooting up with the A7R using adapted Canon lenses.

 quezra's gear list:quezra's gear list
Sony Alpha 7 Sony FE 55mm F1.8 Sony FE 28-70mm F3.5-5.6 OSS Sony Alpha NEX-5N Voigtlander 35mm F1.4 Nokton +7 more
Nikon D800E Sony Alpha 7R
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