Large Field of View: Focusing in on your target for brilliant detail at 1000 yards out. Coating with FMC Broadband coating and premium BAK7 prism, it ensure imaging verisimilar. Perfect & Compact & Lightweight: Binoculars For Bird Watching. Can be used for both day and night (low-light-level night vision,can't see anything in complete darkness). This binoculars can be folded into palm size so that it's easy to fit into a pocket or bag. Adjustable Eye Width and Dual Focus:Variety of eye widths makes them suitable for both. Easily use the central focus wheel and dioptre adjusting ring to focus on your targets. And the binoculars can pull down the rubber eyepieces and fit glasses wearer. Close Feeling: Bak-7 roof prism and Fully Multi-Coated green film optics guarantee the best light transmittance, and it also provides good control of optical reflection to create sharp and colorful images. Waterproof, Hyper- Anti-Slip Grip Gives You Everything You Want. This binocular also can be used for watching large stage play, vocal concert, a football game, etc.