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R5C Tamron Lens Compatibility Issues

Started 11 months ago | Discussions thread
cortex95x Contributing Member • Posts: 862
Re: R5C Tamron Lens Compatibility Issues
1

rmexpress22 wrote:

I also own a Tamron 35mm 1.4 Di USD, and when I received it, I took two test shots and it looked okay. But then I took it to a shoot right after and for some reason I couldn't get it to focus, so I used other lenses for the rest of the shoot.

Once I got home, I tested it again and it worked fine. Then I used it for another shoot, and it worked perfectly the entire shoot. And I've been using it as my main lens since then and it's worked perfectly with almost 100% focus rate.

I don't recall if I was using firmware 1.5.0 or 1.5.1. And I just noticed that this thread is about the R5C, and not the R5. But I already wrote all that and it's not helpful, and I'm posting it anyway.

AF works fine in video mode also, for what it's worth.

Hello,

Thank you for your reply.

I've just checked the lens' firmware with the Tap-in device and it has the latest version. It appears to be specific to the R5c, while the only other variable might be the Canon EF-RF adapter. We'll see what Tamron has to say about the issue, assuming that they respond to my email.

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