Have an old Canon EOS DSLR? You’ve a high-end webcam
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Daniel Herrera

Thank you for the post Jose, for me it works just fine. With the little detail that the frame in Zoom and other apps is not filled completely by the camera, I tried to change something in the settings of the camera, but it looks like I’m missing something. Have you notice this cutout when you tried with your T3i? Thank you

Sandra Snow

Great article. VERY useful. I got my Canon Rebel T3i to work on iMac with Zoom, using EOS Webcam Utility, an HDMI cable and a video capture card. The only problem is that I can’t get rid of the auto focus square (face recognition box). Do you have a solution?

Keith Wilson

What version do I download for the T3i?


Hi, today i downloaded version for T3i it is available now.

One thing i couldnt manage is the aspect ratio of the video. I have black empty areas right and left when i do stream.

Is there a solution for this?


Exactly the same issue I am now having with the new update of webcam utility.


I’ve just updated to the latest webcam utility and now my video image is cropped at the sides when displayed in OBS. It’s very annoying. How can I fix this? If I can’t find a way to fix this, I will have to downgrade to the previous webcam utility.


in obs edit transform and crop left and right to remove the bars then set bounding box type to scale to outer bounds. worked like a charm for me

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