Nikon Tripod Adapter for Binoculars with 1/4-Inch-20 Threaded Tripod SocketDesigned for binoculars with a 1 4 inch 20 threaded tripod socket this Nikon Tripod Adapter is compatible with most Nikon binoculars including the Nikon Monarch ATB, Action, Action Extreme (EX). It also works with any other binoculars with a 1 4 inch 20 threaded socket and will adapt to any standard tripod. Easy Attachment The adapter has a knurled screwdriver enabled knob that enables easy use and attach even when wearing gloves. Rock Steady Viewing