8-20x50 Zoom Monocular Telescope, High Resolution Monocular Telescope Zoom, Waterproof Portable High Energy HD Spotting Scope for Bird Watching, Hunting, Travel,(black) The product is shipped based on the color or size of the main image of the product page. 8-20x50 monocular zoom The powerful monocular telescope with 8-20x zoom magnification can be easily adjusted to easily lock and enlarge and reduce the image. And 50 mm lens diameter wide angle lens (eyepiece: 20 mm), and have the best visibility 1000m; BAK4 prisms FMC multi-coated lens coating reinforces the key function of a monocular, guarantees good light transmission and brightness, makes your vision clearer.Image with high contrast and high resolution High refractive index BAK4 Prism eliminates stray light and improves color rendering to 99.97%. The green FMC anti-reflective coating reduces the reflected light in the objective lens and improves the light transmission, image brightness and image sharpness. This monocular box deliver vision in twilight (but not in complete darkness).8-20x high power magnification Monocular zoom 8-20 times magnification and dynamic lens focusing system to easily enlarge with clear and bright images, perfect for hiking, hunting, climbing, bird watching, wildlife watching, landscapes, scope, surveillance.Waterproof, dustproof Multi-level, variable height eyecups and a responsive central focus wheel are easy to adjust to maximize custom fit for comfortable viewing with or without glasses. Also, O-rings sealed to prevent dust / moisture / Dirt enters the telescope. Together with shockproof rubber armor, this monocular telescope can accompany you on your outdoor adventure even in bad weather.Compact size This lightweight zoom monocular weighs less than 400g and is compact enough to fit in the side pocket of a daypack. We recommend that you use an adjustable metal tripod. The image will not be blurred and will work better.