FMC multi-coated lenses: The binoculars are equipped with fully FMC multi-coated lenses to increase light transmission, improve clarity and contrast, and to reduce lens reflections for HD images with lifelike details and edge sharpnessPortable binoculars:The weight only 0.25 kg, foldable design, small pocket size, lightweight to carry with. Compact size: 4.33*4.53*1.38 inch, 0.55lb. Large field of view: 108m/1000M. 10x magnification, 25-millimeter objective diameterbinoculars:The rubber armor ergonomic design and steady grip allows for accurate focusing, and have shock-resistance, anti-skid features while the design is slim and simple. Rugged construction rubber eye relief provides comfort for spectacle wearers, as do a dioptric adjustment ring and the strap mountClear view in day and low light night :The BAK-4 roof prism guarantee for the brighter view and sharp images. And the lens coatings consist of fully multi- layers makes high light transmittance over 98.74% to yield an image with maximum brightness and natural colors. Also can deliver clear vision in low light , but NOT for completely dark nightMonocular Telescope high power Binoculars Phone Holder Tripod Waterproof Adults Outdoor Bird Watching Hunting Hiking Camping Travelling Reflector Astronomical Science Astronomy Beginners mobile phone Scopes Rangefinders Spotting Optics Camera Photo