I'm trying to determine if this lens only has one f stop-2.8, or a range of f stops? I know the new RF 600mm onky has one f stop (11), how abnout this lens?
I've been using the Webcam utility for about 6 months on a MacBook Pro. Now I just bought a new MacBook Pro and have installed the software but the EOS Webcam utiltiy does not show up in my list of cameras in Zoom, etc. Can someone please help? Th...
Thanks for your reply. I've read is a few places that the Webcam Utiltiy will not work on the M1 chip with the new MacBook Pro that is running Big Sur. It that a fact?
