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Using autofocus with Canon EOS 70D - Getting rid of autofocus lines
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Tonyminsight  
#1 Posted : Tuesday, July 19, 2022 6:10:42 AM(UTC)
Tonyminsight

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I have my Canon EOS 70D connected through a video capture card. Everything looks good except you can still see the autofocus lines. If I switch to manual focus the lines go away but I would like to use the AF mode.

Has anyone found a way to remove the AF lines in AF mode for a Canon EOS 70D?

Thank you!
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paco3346  
#2 Posted : Tuesday, July 19, 2022 8:14:34 AM(UTC)
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What you're looking for is known as a "clean feed". It's really common for DSLRs to not have that mode especially if they weren't intended for live video.

Here's some discussion about your model and clean feed: https://www.dpreview.com/forums/thread/4538735
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mjgraves  
#3 Posted : Friday, July 22, 2022 1:41:12 AM(UTC)
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Only way to get a clean feed from a Canon DSLR is to use the Magic Lantern firmware. (https://magiclantern.fm/) This will void your warranty.



If you use the Canon Webcam app you can get a clean feed into a Windows computer as a virtual webcam. However, the resulting video is something less than 720p30. In particular, the frame rate is not full-rate.

The stream exposed via the USB port is really just the feed to the viewfinder repurposed.
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