dioptre adjustment on binoculars

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dioptre adjustment on binoculars
Copyright © David Tipling
Media ID 5181520
Date: 23rd November 2009
Copyright Status: Copyrighted Work
Owner URL: david tipling
Credit: David Tipling
Image Size: 1938 x 2568 Pixels
Filesize is 1.04MB
Version 2 is 1.04MB
Keywords: binoculars, dioptre