rcwinkly Posted May 25, 2021 Share Posted May 25, 2021 I'm wondering if any of you have experience with any GM OSS lenses suddenly not having the manual focus/scope work and if so, what you did to fix it. My Sony a7r4 suddenly stopped working with my 100-400 lens and although the screen turns blue for manual focus, it's non responsive upon moving the manual focus to zoom in for the "scope". My camera firmware is updated and it simply stopped working mid "photoshoot". Thanks in advance for any tips and/or help! Link to post Share on other sites More sharing options...
Advertisement Posted May 25, 2021 Posted May 25, 2021 Hi rcwinkly, Take a look here Manual Focus/Scope Issue with Sony 100-400 GM OSS. I'm sure you'll find what you were looking for!
Jeffreykmd Posted May 27, 2021 Share Posted May 27, 2021 Is the lens communicating with the camera? Does it focus in autofocus? Link to post Share on other sites More sharing options...
rcwinkly Posted May 27, 2021 Author Share Posted May 27, 2021 14 hours ago, Jeffreykmd said: Is the lens communicating with the camera? Does it focus in autofocus? Yes...the autofocus is working so I find it a strange situation. Just wondering if anyone has experience something similar and what they did to fix it. Link to post Share on other sites More sharing options...
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