Binoculars Telescope 10-20x50 Binoculars for Stargazing and Planets,Roof Prism Binoculars,waterproof and Anti-fog Binoculars with BAK4 Prism FMC Lens and Quick Smartphone Holder,Sma - EESHHA, SYX0625-WYJ0334

• 【Green Film Broadband and BAK4 Prism】Double-sided broadband coating, The color is bright and transparent, which can effectively reduce eye fatigue. The spectral range is 400 to 600 nm and the average light transmittance exceeds 99.5%. The image of the BAK4 prism is fresh and bright with no dark edges. 【HIGH QUALITY OPTICAL SYSTEM】- Multilayer coatings will feature different color bands at different angles, and have ultra-high light transmission, with average light transmission of up to 99.5%, enhancing brightness, light colors and sharp, and clearer images. 【Clear field of view in low light】BaK-4 prisms and multilayer optics deliver sharp, clear images with superior light transmission in low light conditions. But night vision binoculars cannot work in complete darkness, perfect for concerts, theater, sightseeing, and astronomical viewing. 【Great Viewing Experience】 The compact binoculars have FMC optics with fully multilayer lenses that provide bright and clear images in most lighting conditions. And the large prism offers impressive clarity, a brighter, wide-field view, and sharper images than the 12.5mm prism. With 10-20x magnification and a 50mm objective diameter, it provides a large field of view (374ft/ 1000yds). ★ Night binoculars: IPX7 waterproof (1 meter deep for about 30 minutes) and buoyant. The good nautical sailor binoculars. Night vision telescope, in a dark environment, the ruler and compass are illuminated with a light button, which also provides the maximum brightness of the image. (It cannot be used as a night vision device).