The Tripod Adapter is ideal for outdoor use. It has an ultra slim design, and the 1/4??? - 20 thread easily attaches to most tripod ready binoculars. The 1/4??? - 20 thread on the base is also compatible with most standard tripods and window mounts. The Tripod Adapter's sturdy aluminum construction provides steady hands-free viewing, making it ideal for bird watching and nature viewing. Weight: .10 lbs. Dimensions: 2.5" x 1.5" x 3.5".