What is focus length?
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Focal length is the distance between the focal and principle axis of a mirror
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Focal length ;
When the image sensor is focused, the distance between the lens and the focal point is known as focal length. And it determines the converging and diverging of light.
Hope dis helps
When the image sensor is focused, the distance between the lens and the focal point is known as focal length. And it determines the converging and diverging of light.
Hope dis helps
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