Question
I have Sony CyberShot camera, I don't know why they use lens in camera and what is the use of it and actually what is Carl Zeiss lens in camera? Could anyone help me with this problem?
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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