The Green Lever - Using minimal resources for maximum quality of life
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Showing posts with label home-made spanner for binocular collimation. Show all posts
Showing posts with label home-made spanner for binocular collimation. Show all posts

Binocular Collimation Quick and Easy Method without Prism Adjustment

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Preamble I was initially put off from correcting an optical fault in an old pair of Porro prism binoculars because all I had seen or read...
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