12X50 High Power Magnification: 12x magnification, 18mm eyepiece and Light-Gathering 50mm objective lens, Gosky 12x50 high power monocular presents bright and clear images within a range of 289ft/1000yards (larger view than other higher magnification telescopes). The Titan telescope is a great option for bird watching, moon watching, stargazing, wildlife spotting, and watching concerts.See True Colors: The BAK-4 prism and fully multi-coated (FMC) lens can increase light transmission and resolution, ensure true colors and provide you with a colorful and vivid view. The Twist-up eyecup could be smoothly rolled in or out to a comfortable distance, which is very convenient for users who wear glasses.Portable and Lightweight: Perfect size and compact design for users to hold or focus with a single hand. The monocular is lightweight for adults and even kids to carry around all day long. There's also a solid framework and shock-absorbing rubber armor with stripes to keep it from slipping out of your hand.Universal Smartphone Adapter: With the included upgraded quick-alignment smartphone adapter, your mobile phone could be easily attached to the Titan telescope. Feel free to take pictures or videos and share those exciting moments with your loved ones. （Note: The included adapter is compatible with almost all other smartphones on the market.）IPX7 Waterproof: IPX7 Nitrogen-filled waterproof design and O-ring sealed optics provide waterproof, fog-proof, shockproof, and dustproof protection in any weather or any condition for any mission. It's robust and durable enough to withstand unexpected extreme weather during your outdoor adventure. Product Description Magnification 12x 12x 10x 20-60x Objective Lens Diameter 55 Millimeters 50 Millimeters 42 Millimeters 80 Millimeters Eye Relief 4.2mm 4.2mm 5.2mm 3.3-1.22mm Linear Field of View 325ft/1000yds 289ft/1000yds 307ft/1000yds 42-82.9ft/1000yards Angular Field of View 6.5 Degrees 6.5 Degrees 6.3 Degrees 0.8-1.58 Degrees Lens Coating FMC FMC FMC FMC Waterproof IPX7 IPX7 IPX7 IPX7 Nitrogen Filled YES YES YES YES Fog-proof Track Page Views WithAuctiva's Counter