Monday, October 10, 2011

Sony NEX7 with Zeiss M-mount 21mm ZM

This is the test I'm most interested in. How does the NEX7 look with my M-mount Zeiss lenses.


I thought I would try the Sony NEX7 with every lens I had.

I'm not drawing any conclusions, just posting the images for you to enjoy.

The camera was the latest pre-production version which I just picked up this week.

The ISO was set to 100.

Camera on a man's size tripod.

Self-timer so I didn't jerk anything.

Everything was done on manual focus... used the scene enlarger to focus the best I could.

Aperture priority.

AWB.


This is the Zeiss M-mount 21mm ZM at f2.8.


This is the Zeiss M-mount 21mm ZM at f8.



If you're interested in a M-mount Zeiss lens, then check out my retail store.


Rob Skeoch

4 comments:

  1. You can find the hi-rez file here....

    http://www.flickr.com/photos/sportsphotorob/6232369426/in/photostream/

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  2. Looks like the NEX-7 is causing a purple color cast when this lens is open.

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  3. You might be right. Seems to be something in there.

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  4. Hi Rob,

    This is an interesting test. But unfortunately it shows clearly that the NEX-7 is not able to cope with wide M-mount lenses due to the lack of correction microlenses on the sensor (as opposed to Leica M8/M9 and Ricoh GXR M-mount module).

    Wide open not only the purple color cast is apparent, but also there is a substantial loss of resolution at the edges, where everything turns to be wish-washed. And I strongly believe that it is not because of the lens is so bad: according to the thorough review of Sean Reid on the Zeiss ZM 21/2.8 lens, its definite characteristics is that it retains resolution from corner to edge, already wide open (and he tested it on a Leica M8, where the crop factor is lower than that of the Sony NEX).

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