www.kurokesu.com is quite interesting. Sells sensors or kits to convert existing Logitech cameras, and filters/lenses you can add to them. It's niche - but si

www.kurokesu.com is quite interesting. Sells sensors or kits to convert existing Logitech cameras, and filters/lenses you can add to them. It's niche - but sits between an off the shelf webcam, and lashing a 'proper' camera to a USB socket.