high speed shutter uneven exposure, A7riii

Started 8 months ago | Discussions thread
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Alantkh Regular Member • Posts: 201
high speed shutter uneven exposure, A7riii

Hi,

I just realised my A7riii shows some uneven exposure when using shutter speed of 1/8000.

I have set efcs to OFF. The problem reduces a lot when I set efcs to ON so I suspect it is a mechanical shutter issue.

Problem goes away at shutter 1/1000 but I often hit faster shutter than that at f1.4 on my 35mm.

Have anyone had this problem and was it resolved easily by Sony? I don't see this on my new a7iii but  my a7riii isn't that old either.

I never had any shutter issues with my nikon for years. Maybe I should keep EFCS on to reduce the wear and tear on the shutter.

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