1.7-21X40 Binoculars 2.Net weight: 750g 3.Size: 15CM * 18 * 50 4 ... AR Blue film (High Definition)Transfer form as the system: Paul prismMaterial: mirror aluminum alloy body for the special, outsourcing special ... -Tech Technology Group, Seiko made of high-definition multi-coated binoculars.Can be used for tourism, large-scale concerts, football, ... terrain, enjoy the scenery and so on. 7-21X40 Binoculars