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EF-M Adpter: Focus problems

Started Feb 14, 2021 | Questions thread
istscott
istscott Regular Member • Posts: 467
Re: EF-M Adpter: Focus problems

Robert Seetzen wrote:

istscott wrote:

I don't have any answers, but I did buy a new Canon 85mm f/1.8 stm that had inconsistent focus accuracy with the official adapter. Though the 50mm f/1.8 stm I have works well.

Oh, that doesn't sound good. Up until now I was hoping that these problems would be limited to lenses from other manufacturers - simply because Sigma, Tamron, etc. do not have access to the full communication protocols between the camera and lens.

Perhaps you have the opportunity to try out your 85mm on an SLR? Because if there weren't any focus problems there, it would definitely be due to problems with the adapter.

Do you use the lenses on an M-Series or with R camera?

I sold it. I was using it with the M50.

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