Monocular Telescope High Powered BAK4 Prism 12X50-Waterproof Fog-Proof with Smartphone Adapter & Tripod for Cell Phone for Bird Watching, Hiking (12x50) High Powerful Monocular --- Full 12 x magnification and 50mm object lens diameter to see a clear and bright image. Large Field of View (430 ft1,000Yds ) Low Night Vision --- Large BAK-4 Prism and Fully Multi-Coated Lens elements for Light reflection and minimal distortion, better image brightness, contrast and quality Easy to use --- Adjust New Larger One-Hand Focus Wheel easily and make it the most user friendly nature monocular. Adjustable eye cups can be easily and rapidly twisted up and down for optimal viewing with or without glasses. Sleek and Solid --- Rubber finish for shock resistance and a firm, comfortable grip, durable. Perfect Accessories --- Extendable stable tripod and phone clip that help you to get a HD image or video easily. Enjoy your monocular more perfectly.