Eyebre 20-60x60 high zoom telescope with tripod. Uses high-quality optical glass and high-precision technology. With 98% light efficiency, the image is clearer, and the color is brighter. Filled with nitrogen to prevent moisture, dust, and dirt from entering the monocular interior. Specifications; monocular, rubber body, lens diameter: 80 mm, eyepiece diameter: 60 mm, rotating eye, prism: BAK4, coating: full width green FMC film, pupil distance: 17-13.5mm, waterproof.