Binocular Collimation Quick and Easy Method Without Prism Adjustment

Some time ago I bought a second-hand pair of Porro prism Frank Nipole binoculars from a camera shop. Although I tested them before purchasing it was only after I had started to use them for longer periods that I realised there was a discrepancy between the views within each eyepiece. The presence...
By: Organikmechanic

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