Function: 1. Bak4 prism and multi-coated lens, can improve light transmittance and image clarity, with universal clip, can be connected to the mobile phone through the telescope to record good moments. 2. FMC multi-layer broadband coating film, can reduce the reflectivity, large objective lens increase the amount of light, bring bright color image, high contrast, more real image, brighter and clearer, more realistic color restoration. 3. Helps improve grip, provides extra protection against harsh use and weather conditions. 4. Widen the nylon soft shoulder strap very convenient to carry, very suitable for travel, bird watching, nature, sightseeing, gaming, sports and travel. 5. Features 10x magnification, capture every detail of the image, master magnification, no dizzy or shake, the effect more amazing when viewed from a long distance. Specification: Item Type: Binocular Telescope Material: optical glass and ABS Prism material: BAK4 Black colour Magnification: 10X Field angle: 5.6° Prismatic system: Roof prism system Optical Coating: Multi-layer FMC green full-surface coating Waterproof: Daily waterproof Patch form: twist patch Weight: Approx. 705g Eyepiece Diameter: Approx. 18mm / 0.71 inch Objective Diameter: Approx. 42mm / 1.65 inch Exit Pupil Distance: Approx. 20mm / 0.79 inch Exit Pupil Diameter: Approx. 5.2mm/0.20inch Nearest Focal Length: Approx. 1.2m / 3.94ft Universal Clamp Width: Approx. 5-8cm/1.97-3.15inch Package List: 1 x binocular telescope 1 x telescoping cloth 3 x lens cover 1 x portable bag 1 x Manual 1 x hanging strap; 1 x universal clamp