DESC: From the lineage of the world renowned TSN-820M Series, the new TSN-600 series is here. With its reduced weight, it offers you an excellent mobile performance in a compact body. Main Features - 60mm diameter objective lens. - Fully multi-coated optics enabling clearer viewing. - Waterproof (filled with nitrogen gas inside). - Very compact : main body length of only 299mm. - Very light weight : body made of reinforced plastic, weighing only 720-735g. - 6m minimum focusing distance. - Turns into an ultra telephoto lens by attaching the photo attachment and camera mount (each sold separately). - Digital camera adapter also available. - 67mm filter threads on the objective. Easy-To-Use functions - Aiming Line for easy targeting of the object. - Smooth one finger focusing knob. - Sliding hood to avoid excessive light and rain. - Standard Eyepiece Cap (cover) can be used with the eyepiece attached to the body(some eyepieces do not allow this).