15-45X60 Zoom Single-lens Telescope High-definition Monocular Binoculars Outdoor Bird Watching Target Glasses Model:1545X60 Structure:Monoscope Function type:Zoom telescope 1. Specifications: Magnification: 15-45x Objective lens diameter: 60mm Outlet diameter: 17mm Objective lens coating: FMC multi-layer coating Eyepiece coating: FMC multi-layer coating Prism material: BAK4 Weight: 878g Size: 327x153mm 2. Features: high-definition high-definition, large caliber, sufficient light, clear and bright image 3. FMC multi-layer coating: FMC multi-layer coating is used for both objective lens and eyepiece, which is a good coating technology at present, which effectively improves the image color of the screen. 3. Zoom zoom: can be viewed in any multiple of 20-60 times to meet the needs of a variety of users 4. Nitrogen-filled waterproof: sealed by lens barrel, internal nitrogen-filled waterproof, effectively adapt to outdoor rain and snow weather, prolong the life of telescope 5. BAK4 prism: BAK4 prism material, clear and sharp image, no dark edges around, comfortable to watch 6. Optical glass lenses are an excellent choice for viewing operas, performances and piano concerts. Suitable for sightseeing, large concerts, football matches, racetracks, outdoor sports, watching games, performances, performances, bird watching, watching wildlife, camping, hiking, adventure, shooting, archery, fishing, viewing terrain, appreciation Scenery, etc.