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by aantix 2411 days ago
Slightly offtopic - are there any webcams out there that can provide a shallow depth of field in realtime?
3 comments

You can use a Black Magic Design Web Presenter which allows connecting 2 pro camera/lens setups via HDMI/SDI, and XLR mic inputs. It shows up as a USB webcam like normal.

https://www.blackmagicdesign.com/products/blackmagicwebprese...

You can turn a Canon/Nikon DSLR into a webcam. Using SparkoCam.

So theoretically you can get a cheap old T3i + 50mm/1.8 and have a crazy good webcam with near-cinematic quality.

I was very excited by the idea. Ironically, it's only available on Windows.
You can do that on Linux too:

    modprobe v4l2loopback
    gphoto2 --stdout --capture-movie | ffmpeg -i - -vcodec rawvideo -pix_fmt yuv420p -threads 0 -f v4l2 /dev/video0
Not any good one that does it in hardware out of the box that I know of. There are mod kits for CS lenses for c920/930/brio, if you can live with a tighter shot. If you've an compatible RX100/A6000 or similar laying around, then an Elgato Cam Link like hanselman's setup above might be the easiest option.

https://www.elgato.com/en/gaming/cam-link-4k (1/5 the price of the blackmagic device above/below)

There's also some software "solutions", but I've no idea how good they are, probably not iPhone portrait mode quality.