Nikon 7650 Action and Marine Series Binocular Tripod Adapter (Black)The Nikon 7650 Binoculars Tripod Adapter adapts Nikon E2, Superior E, Astronomy Series, and Zoom XL binoculars to any standard tripod. It is made specifically for the Nikon Action, Action Extreme, and Marine Series binoculars. This tripod adapter will attach to any standard tripod head with a 1 4 to 20 inch threaded screw. Fits Action, Action Extreme, and Marine series binoculars to any standard tripod. Works with most Porro Prism binoculars as well.