For folks with Nikon DSLRs and Windows, there's an app called SparkoCam which uses the your camera as a video feed source and appears to the host operating syst

For folks with Nikon DSLRs and Windows, there's an app called SparkoCam which uses the your camera as a video feed source and appears to the host operating system as though it were a webcam. Works for Canon as well though Canon and at resolutions higher than are currently supported by Canon's "use your camera as a webcam" software. The best results require the use of an HDMI capture device... and all of the good ones sold out almost immediately when the quarantine started.