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Orion 5271 Versatile Tripod Mounting Adapter for Binoculars

Product Description :
Versatile aluminum adapter allows attachment of either porro-prism or roof-prism binoculars to a tripod
Holds binoculars of 80mm or smaller aperture on a tripod or binocular mount for long viewing sessions
Threaded adapter 14-20 socket fits standard photographic and field tripod heads
Adapter height is 4