Bigma won't focus with my a7iii

Started 3 months ago | Questions thread
QuietOC
QuietOC Senior Member • Posts: 3,501
Re: Bigma won't focus with my a7iii
4

Karl Scharf wrote:

QuietOC wrote:

Which adapter are you using? LA-EA3?

I wouldn't recommend adapting Sigma A-mount lenses. Mine focus more reliably on the LA-EA4. I have no experience with the lenses you mention. Trading the A-mount version for an EF-mount version might be better.

Yes, I am using an LA-EA3 adapter.

The first link on Google for "LA-EA3 50-500" is a post here reporting, "AF works poorly or not at all"

I also find many reports that it works fine on the LA-EA4. And I find reports that the EF version works fine on the MC-11 or Metabones.

 QuietOC's gear list:QuietOC's gear list
Pentax Q7 Sony a7 II Sony 28-75mm F2.8 SAM Sony FE 28mm F2 Canon PowerShot S1 IS +134 more
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