Focal length: Through the eyepiece rotation, adjust the motion handwheel smooth precision focus Coating: The objective lens is multi-layer broadband blue plated film, and the inner side is plated colorless infrared return film to solve the problem of insufficient lighting after changing to a large multiple, so that the scene is more clear and transparent High clarity, high brightness, small size, easy to carry Suitable for tourism, large-scale concert, ball game, racecourse, fishing, concert competition, tourism, outdoor hunting use. Product parameters Enlargement: 10-300times Lens diameter: 25mm Distance:0.2-5000 meters FOV:2-3.5 degree Product characteristics Lens coating: FMC green broadband film Eyepiece shell: blue Film Prism material: BAK-4 Material: Durable metal aluminum structure, soft rubber leather (both durable and comfortable) color: Black material: metal Package Contents: 1 x Telescope 1 x bag 1 x Lens wiping cloth 1 x Portable rope Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.