From Using a "proper" camera as a webcam there were some references to some interesting inexpensive high resolution cameras and lenses. I can't vouch for quality, but I intend to give them a try.
- C920/C922/C930 enclosure kit for CS-type lens mk2 - with some references to lenses and IR-cut filters
- IMX477 Full Report – Datasheet, Specs, Technologies and Camera Modules - f you are considering the Sony IMX477 or IMX477R, then this is for you. datasheets, specs, and related informaiton
- ArduCam embedded camera solutions on Amazon
There are suggestions for teleprompters in there as well.