This binoculars has 8x magnification, 42mm objective lens and wide field of view, 358ft/1000yds, letting you look farther and see wider. Coating with premium BAK7 prism, it ensure imaging verisimilar. The binocs can be pull down the rubber eyepieces and more fit the glasses wearer, getting close to lens and see easily. For those who do not wear glasses, will gain more focused slight and feel more easeful through rising eye cups. At the same time, retractable eyepiece can effectively block light from entering the eyepiece, so that we can see a clearer image. The rubber armor ergonomic design and steady grip allows for accurate focusing, and have shock-resistance, anti-skid features. Rugged construction rubber eye relief provides comfort for spectacle wearers, as do a dioptric adjustment ring. One hand can be mastered when you use the birding binoculars for opera, bird watching camping, traveling, wildlife watching, football games, cruise or other outside activity. These binoculars are fully competent and able to work for bird watching, hiking, travel, sports events, theater and concert. Also ideal great gifts for Chrismas, Father's Day.