COMET 20X50 HD Waterproof Portable Binoculars Telescope Hunt

Model: 8x40 magnification objective lens diameter: 40mm how to use: adjusting the eyecups, if you do not wear sun/eyeglasses, roll the eyecups up; otherwise, roll the eyecups down. adjusting inter pupillary distance (ipd), ipd varies from person to person specific use: wide field of view perfect for travel, bird watching, sightseeing, camping, wildlife watching, sports & concert events, etc. pocket include: 1 x binocular telescope 1 x backpack 1 x lens cleaning cloth 1 x user manual see more product details