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About binoculars

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Newest binoculars can also be adjustable by means of a hinged construction that allows the gap among The 2 telescope halves being modified to accommodate viewers with unique eye separation or "interpupillary distance (IPD)" (the space measured in millimeters in between the facilities on the pupils of the eyes). http://binoculars19640.blogs100.com/14225866/the-greatest-guide-to-binoculars

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