When I capture HDMI output of Sony a6500 or ZV-E10 using Blackmagicdesign ATEM Mini Pro ISO or CamLink 4K (and QuickTime), I see strange artifacts (circle patterns) in highlights and sometimes shadows.

Artifacts in highlights

These artifacts are not present when recording in-camera using SD card.

Is there anything I can do to have an actual “clean” HDMI output?

Thanks for helping out!


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