Will you be glassing or watching wildlife for long hours? Simply use the Vortex tripod adapter to lift the weight of binoculars off your arms and onto the steady support of a tripod. Using a rock-steady tripod mount will allow you to spot small details you'd otherwise miss. Quick and easy attachment.1/4 inch threading at the top attaches to any tripod-adaptable binoculars.1/4 inch x 20 standard threading on the base fits directly onto most any tripod and car window mounts. Binocular Tripod Adapter VT-400