VITE Metal Spotting Scope Smartphone Adapter with Clip Cell Phone Camera Photography Sleeve M48 Thread for Spotting Scope Landscape Lens Telescope Lifetime warranty;we confidently promise lifetime warranty for each one form us Special designed for spotting scope smartphone digiscoping;connect phone to spotting scope for photography more convenient and easily than other camera adapter Aluminum material sleeve length 74mm;diameter 50mm;only 2.6oz;solid and light wight; fit for 50mm diameter spotting scope Quality plastic clip fit for most smartphone;if only the camera eye at the edge of phone body; eg;iPhone;Samsung;HTC;etc This sleeve with a clip;super easy to use;just insert into spotting scope;then clip your smartphone and adjust to the best position;it will save you much time to enjoy scenery