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Optics / Relation of scope slider direction and achromatic FL
« on: September 11, 2017, 09:31:33 PM »
What is the relationship between the direction that you would want to move the miniscope slider in, and the focal length of the achromatic lens? I.e., if you are consistently wanting to move the slider so far that it falls out (too far up), would you want a larger or smaller focal length of your achromatic lens?