Contax G Zeiss Lenses Tested For IR

Infra-Edd

Well-known member
Gold
I managed to borrow 4 of the Contax G lenses to test for IR on a full frame Sony A7 and was a little surprised by the results:

21mm f/2.8 - (6.8/10) - Quite poor. I really hoped this was going to be better.
28mm f/2.8 - (7.4/10) - Not great.
45mm f/2.0 - (9.8/10) - Stunning IR performance!! This alone makes me want to buy the Contax G AF adapter.
90mm f/2.8 - (9.5/10) - Very good, but I expected better from a longer focal length older lens.

To see the whole list and more detailed info about performance through the apertures on each lens, check out the full list here: https://www.edwardnoble.com/hotspots
 

Craig

Administrator
Staff member
Gold
Thanks So Much Edd for all your hard work and for Documenting your findings !!!

Take Care,

Craig
 
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