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EF-M Adpter: Focus problems

Started Feb 14, 2021 | Questions thread
Alan Sh Senior Member • Posts: 2,758
Re: EF-M Adpter: Focus problems

I have the Tamron 18-400. My first copy front-focussed very badly. My second copy is perfect.

It could be your lenses. I've never heard of the adapter itself causing issues.

There's no electronics in the device - it's just some connection extensions. Maybe one of the connectors needs a clean?

 Alan Sh's gear list:Alan Sh's gear list
Canon EF-M 55-200mm f/4.5-6.3 IS STM Panasonic Lumix DMC-ZS40 (TZ60) Canon EOS M100 Canon EOS M50 Fujifilm X-T5 +13 more
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