Possibly my favourite Apple Accessory the original iSight Webcam. Had one years ago, but sold it. Even if they aren't too practical nowadays, if you have a period Mac they are a
Apple iSight | 3D Warehouse
Apple iSight Web-Kamera, Farbe, Audio, FireWire.: Amazon.de: Computer & Zubehör
Apple iSight Webcam Camera Replacement - iFixit Repair Guide
Apple iSight WebCam Unboxing - YouTube
Apple iSight Web Cam for sale online | eBay
Apple's iconic iSight webcam design makes a return in new 4K Dell UltraSharp camera - 9to5Mac
Apple iSight Firewire F2.8 Autofocus 50MM 3 Element Lens 1/4 inch Webcam Camera 718908437582 | eBay
Dell Pro 2K Webcam
iSight APPLE autofocus video camera webcam / microphone firewire | eBay