What To Know When Buying Binoculars
What do the numbers on binoculars mean? All sporting optics (binoculars, spotting scopes, night vision goggles, etc.) use the same nomenclature to describe important features. As an example, a pair of binoculars may have 10 x 42mm listed as a technical specification. But what does this mean? The "10" refers to the magnification power of the binoculars, that is, objects viewed will appear to be 10 times closer than when they are viewed by the naked eye.
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