In the meantime there are some (even better) alternative USB-WebCams (below 250 €) to Logitechs Brio WebCam or StreamCam:
- AverMedia PW513 https://www.avermedia.com/de/product-detail/PW513 (view 94°)
- Konftel CAM20 https://www.konftel.com/de/products/cameras/konftel-cam20 (view 105/123° + HDMI)
- HuddleCamHD Pro https://huddlecamhd.com/pro/ (seems to be the same as Konftel CAM20, also same remote controll for ePTZ-features)
- Blizzard A380 Pro https://blizzard-webcam.com (view 112°)
- Rework Kits for Logitech C920 etc. to use CS-mount-objectives: https://wiki.kurokesu.com/shelves/rework-kits (free plan https://github.com/Kurokesu/3d_models and to buy for 60€ without Lense: https://www.kurokesu.com/shop/diy_kits)
- SUB2r - Even more flexible and interesting also for developers, but 800-1000 €uro: www.SUB2r.com