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Horrible AF Performance with Sigma 150 - 600 Sports and Sony a7r III

Started 1 month ago | Discussions thread
da7329 Senior Member • Posts: 1,321
Re: Horrible AF Performance with Sigma 150 - 600 Sports and Sony a7r III

On the A9 all my SA Mount sigma’s work fine including the 150-600 sport.   I have the E mount sigma 100-400 and it works great as does the Sony 200-600.  The Emount 150-600 should work very well as is designed for Sony cams.  Sounds like the problem is your copy of the lens.  But I have not shot with the A7r3.  Have shot them all on the a6400 and again they work.

DA

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