The swarovski tls apo 30mm apochromatic telephoto lens adapter allows users to fit a digital slr camera to atsstsatmstmstr spotting scopes with a focus on image quality 30mm camera lens for aps c or smaller sensors and the ability to quickly change between observation and photography the tls apo is the right choice for digiscoping enthusiasts with a t2 adapter not included available separately you can put it to any interchangeable lens camera simply lock it in place