A7R3 sometimes doesn't recognize lens after changing lenses

Started 1 month ago | Discussions thread
john_name_taken
john_name_taken Regular Member • Posts: 162
Re: A7R3 sometimes doesn't recognize lens after changing lenses

Rob J wrote:

I don't think it should have any bearing but the lenses are not native Sony lenses. They are Tamron and Sigma.

Both? That makes me think it might be on the camera side. Firmware up-to-date?

Here is the video on cleaning contacts if you're still interested.

https://youtu.be/raTT9c5uumM

 john_name_taken's gear list:john_name_taken's gear list
Panasonic LX100 II Sony RX100 VII Sony a9 Sony a7R III Fujifilm X-T3 +15 more
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