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A7RV - Video - Focus seems to jump out of focus

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rdbot Regular Member • Posts: 248
A7RV - Video - Focus seems to jump out of focus

Been filming the screen of my computer to practice focusing techniques, but it also happens once in a while filming real people.

Even though there is a box around the head or smaller box on the eye, indicating that it's tracking the subject, the camera will suddenly jump out of focus and then back again.

I was thinking that it might be trying to focus on the screen itself, but then shouldn't it prioritize the head and eye and stay locked on (sensitivity settings are set to 1)?

I'm not sure why it's doing this. Any ideas?

Could it be my lens? Sony FE 35mm 2.8

Thanks!

R

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