Canon has introduced webcam starter kits for the Canon EOS RP and select EOS M and Rebel cameras. You will still need the Webcam Utility Software from Canon, which is free.
The kits include an interface cable, a DC couple and an AC adapter to make the cameras a bit easier to use as a webcam.
Canon EOS Webcam Accessories Starter Kit for EOS RP $159 (Includes)
Canon AC-E6N AC Adapter
Canon DC Coupler DR-E18
Canon IFC-100U Interface Cable (39.4″)
Canon EOS Webcam Accessories Starter Kit for EOS M50, M50 Mark II & M200 Mirrorless Cameras $89 (Includes)
Canon AC Adapter CA-PS700
Canon DC Coupler DR-E12
Canon IFC-600PCU Interface Cable (3.3′)
Canon EOS Webcam Accessories Starter Kit for EOS Rebel T3, T5, T6 & T7 DSLR Cameras $89...