The Michigan Department of Health and Human Services (MDHHS) - Oakland County DHS Offices
A rangefinder camera is a camera fitted with a rangefinder, typically a split-image rangefinder: a range-finding focusing mechanism allowing the photographer to measure the subject distance and take photographs that are in sharp focus. rangefinder camera is a camera fitted with a rangefinder, typically a split-image rangefinder: a range-finding focusing mechanism allowing the photographer to measure the subject distance and take photographs that are in sharp focus.
If you how understand rifles scopes work, then you will understand how other optical telescopes work, because rifle scopes have the most complex optical designs. This tutorial discusses image contrast at length, because this is one of the key discriminators between good and mediocre optics.