The "Logitech Carl Zeiss Tessar 2.0 3.7" refers to the high-performance optical lens used in several iconic Logitech webcams, most notably the Logitech QuickCam Pro 9000 and the Logitech Webcam Pro 9000. These cameras were pioneers in bringing professional-grade optics to consumer video calling, featuring a 2-megapixel sensor and a precision-engineered Zeiss lens with a 2.0 aperture and 3.7mm focal length. Driver and Software Guide
Use this if you are on Windows 10/11 but want to attempt compatibility mode. logitech carl zeiss tessar 2.0 3.7 driver
uvcvideo kernel module fully supports this camera, including autofocus. Install guvcview for control.