OPTICS UNIVERSITYRoof prism binoculars use two roof prisms, resulting in an instrument with parallel sides and objective lenses that are the same distance apart as the eyepiece. A roof prism binocular has straight barrels, so it’s more compact and easier to hold.
Roof prism binoculars use two roof prisms, resulting in an instrument with parallel sides and objective lenses that are the same distance apart as the eyepiece. A roof prism binocular has straight barrels, so it’s more compact and easier to hold.
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