Question
I have a Sony CyberShot camera and I don't know why they use a lens in the camera. What is a Carl Zeiss lens?
Answer
A lens is needed to focus light on imaging sensor. For example, here's an image taken without lens attached to camera:
For comparison, same scene taken with a lens attached:
Carl Zeiss is a German manufacturer well known for carefully designed good quality optics; see also what makes a Carl Zeiss lens so special in a smartphone (the reasons are similar for a pocket camera).
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