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Thread: How does focusing work?

  1. #1

    Default How does focusing work?

    Need some help here. I need some information on how focusing actually work in the various distances. E.g. You have a maximium distance in the focusing scale, after that it jumps to infinity. How does infinity work? Infinity means how far and beyond? (Infinity is a pretty odd word to use with the word focusing.)

    Does anybody have a website or techpaper to share on this subject?

  2. #2


    Given any lense, there is a significant, or a certain focusing threshold. Once beyond that threshold, the improvement in sharpness is little or insignificant. And the adjustment required to achieve that becomes too minute for the motor to accomplished.

    Hope this helps.


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