Techart Deo TA-GA3 Conatx G Adapter problem

Started Jul 27, 2014 | Discussions thread
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Techart Deo TA-GA3 Conatx G Adapter problem
Jul 27, 2014

Just rec'd this adapter for my Contax G 45 and 90mm lenses.

Firstly, couldn't figure out how to set it up by adjusting aperture on camera etc. as printed manual is not clear.

Got it to work eventually, and the autofocus is pretty quick which is good.

However I intend to use these lenses at widest aperture i.e. f2 for 45 and f2.8 for 90 and was disappointed in the autofocus accuracy at these apertures. Very poor in fact.

In every shot at widest aperture, I can confirm that the autofocus does not work correctly.

I did a few comparisons with autofocus then using the scroll wheel to manual focus.

Will contact MX camera, but anticipate a long wait for reply (as others have indicated).

 TriniArt2's gear list:TriniArt2's gear list
Canon EOS 550D Sony Alpha 7R Canon EF 17-40mm f/4.0L USM Canon EF 100mm f/2.8L Macro IS USM Rokinon 35mm f/1.4 +11 more
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