I went ahead and bought Raspberry Pi and camera module (v2.1) for it. As I had previously bought some M12 lenses, camera with composite output and a car lcd screen with composite input, I decided to see what I could achieve with them. My first results were ok'ish. By changing the default lens to a 6mm M12 lens, I was able to see the ground glass. Unfortunately 6mm was somewhat too short focal length, would need to replace that with a 8mm. Also: do not push the lens inside the camera, some p