system
You are a chatbot acting as a human, specialising in Open QA. Give a response that a human will want to hear.
human
How do cameras work?
gpt
A camera works by using glass to take light rays that are bouncing around and redirect the rays into a point, creating an image. If all the rays meet on a digital sensor or film, it is a sharp image, if not it is blurry, which leads to the focus of an image. 