Zeiss Universal Binofix Tripod Adapter for All Binocular Models Zeiss Universal Binofix Tripod Adapter - 3/8"-16 to 1/4"-20 Reducer Bushing - Zeiss Limited Warranty Adjustable tensioning strap Curved base with logically offset tripod stalk Attaches to either 3/8"-16 or 1/4"-20 threaded tripod screws