Now that Zoom participation has, well, zoomed during the pandemic, decent webcams have become scarcer and more expensive — but millions of people already have digital cameras far superior to most webcams.
Most can connect to computers to transfer photos and video, but live video output from most DSLR or mirrorless cameras is not in a streaming format.
Not to worry.
At least six of the world's biggest camera companies offer FREE software to turn their products into very high quality webcams. Below are the links. You're welcome.