Bart (Ex LeicaBoss.com): “The A7RII is probably now the world’s best M-mount camera.”

August 7, 2015
reviews
72 Comments

My friend and M-mount expert Bart from the now offline site Leica Boss sent me this:

The A7RII is probably now the world’s best M-mount camera. I can report that The [shoplink 39161 ebay]Leica Summicron 35mm f/2[/shoplink] and [shoplink 39162 ebay]Zeiss ZM 18mm f/4[/shoplink] both work beautifully on the A7rII. Both struggled greatly with the original A7 cameras. The corner smearing & color shifts have been all but eliminated.
I had a few moments to test each lens at a demo yesterday – and really the only limitations now are the lenses themselves. The “wide open” shots appear to only show the natural aberrations of the lenses, rather than any sensor-produced issues.
Of curse, these pictures are nothing special – but are well enough to understand that we have a real winner for Leica shooters. Unbelievable! Link to images and post:
https://plus.google.com/106990676031669199820/posts/XFcskarmgTM

New A7rII test/news roundup:
Sony A7R II Initial Impressions and Sample Images (SLRlounge).
Real-world samples from Portland (Dpreview).
Field Charging the In-Camera Battery (Diglloyd).
First Look by Movetomirrorless.
Image samples by Reality Scanner.
Sony A7RM2 and a Model Photographer (Blandfordstudios).
A7Rii first impressions thread (incl RAW downloads) at SonyAlphaForum.
Testing out the Sony A7R II with as many native lenses as possible…(Photographyblog).
Ten great new settings on sony a7rii (Brian Smith).
A7rii and zeiss 55 1.8 giving me strange focus jitters? (SonyAlphaForum).

I also got an anonymous (and therefore non reliable) info from a Chinese reader which would be quite worrying if true:

hello, a chinese test lab just tested the A7rII sensor today， they use the same method but different standard compare to DXOmark, more reliable and more practical
the dynamic range doesn’t have much improvement, about 0.1EV better than A7r, still around 2/3 stop less than nikon D810, D810 is still the DR king
the real problem is, due to overheating of the BSI and more heats from stabilization system. the DR can go down extremely bad in long exposure.
in a 30s exposure test, the A7rII is even worse than canon 5dsr
so if turn on the camera and turn on stabilization for too long, long exposure, and using too much burst，can all cause serious drop in image quality

But I seriously doubt the info here is correct. Also because the real world image samples we have seen so far are of superb quality.

A7rII preorder list:
In USA: at Amazon, BHphoto, Adorama, SonyStore US, FocusCamera, Uniquephoto.
In Europe at Sony DE, UK, FR, IT, ES, NL, BE, CH, AT, SE, FI, NO, PT. Wex UK.
In Asia at Digitalrev, CameraPro.

A7rII case:
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Lim’s case in [shoplink 39107 ebay]Black (Click here)[/shoplink], [shoplink 39102 ebay]Brown (Click here)[/shoplink], [shoplink 39103 ebay]Red (Click here)[/shoplink], [shoplink 39104 ebay]Yellow (Click here)[/shoplink], [shoplink 39105 ebay]Navy Blue (Click here)[/shoplink] and [shoplink 39106 ebay]Khaki (Click here)[/shoplink]. Also available on Amazon US (Click here).