Product description Material: Plastic Size: Appearance size: 165x53mm Eyepiece diameter: 23 mm Lens diameter: 42 mm Field of View: 258FT / 1000YDS Prism material: BAK4 Actual magnification: 10 times -12 times Color: green, black Quantity: 1 piece Package Contents: 1 * 12X50 high-listing binoculars 1. 12x50 HD high-performance monocular telescope 10 times -12 times magnification and object lens diameter monocular, provides a clear and bright image, BAK4 prisms FMC multi-coated lens coating reinforces the key function of a monocular, guarantees good light transmission and brightness, make your vision clearer, enjoy the beauty of the distance. 2. High contrast and high resolution images Latest optics technology, the HD monocular telescope with BAK-4 prism and fully multi-coated lens, superior light transmission and brightness as well as a light transmission, provides more light for viewing, reduces chromatic Aberration and ghosting, gives you clearer, brighter and more colorful vision. 3. One-handed focus, waterproof and fog-free You can focus on your target quickly and precisely with one hand. The durable rubber armor with stripes makes them comfortable to use, non-slip and offers permanent external protection from your hand.Nitrogen-filled waterproof material with a fog-free coating and O-ring-sealed optics prevents moisture, dust and dirt and ensures that the lens is always clear remain. 4. Widely compatible with smartphones, easy to install The latest telescope monocular includes a smartphone holder and tripod for more convenient and varied use. This telescope can be used alone, hand-held, and your phone can be connected to a smartphone holder and tripod. It is compatible with all smartphones on the market. 5. Ideal Gift & Satisfaction Guaranteed The monocular telescope is an ideal gift for women, men, children and outdoor enthusiasts.