Techart TA-GA3 Contax G adapter not working?????

Started 3 months ago | Discussions thread
OP JW PHOTO Veteran Member • Posts: 3,090
Re: Techart TA-GA3 Contax G adapter not working?????

Well, here’s the findings. I tried the 90mm G lens and my 50mm Sony just to see how things compared to the 45mm G lens. The Sony worked fine as expected. The 90mm G focused fine and metering was spot on when set at f2.8 wide open, but the minute I starting stopping down it began to overexpose. It was exactly the same with the 45mm G lens. Used wide open both work perfect. It tells me it’s the adapter and nothing else is wrong with my A7rII. I bought this adapter second hand so I guess I’m stuck with it. I sure did like it when it worked well, but now I think I’ll go back to using my old, brainless Kippon adapter unless anyone here has a way to get the A7rII to read the aperture of the Contax lenses via the Techart adapter.

JHW

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