Features and specifications: • Lens: optical glass, high index prism • High-definition FMC Multi Green coating lenses • Magnification: 6X • Field of View: 66 m, 8000 m • Object lens diameter: 40 mm (1.57") • Eye lens diameter: 18 mm (0.71") • Dimensions: 6 x 2.1 x 1.65 in
Key features: • Dual focusing adjustment (Adjustable front and back zoom) • 40 mm objective diameter Wide-angle and HD view • Green-coated optics guarantees superior light transmission and brightness, helping you see any target, such as birds or trying to get a better view of the stage. • Waterproof Fogproof & Slip-on design : Waterproof,dust-proof and shockproof degin, perfect for any weather or climate. And The rubber armor with stripes makes it comfortable for use and keeps it from slipping out from your hand and give you a good handfeeling. • Durable Tripod and Cellphone Adapter: Anti-slip adapter can hold phone precisely and firmly over the eyepiece for photograph and video. Standard tripod resists shake and take a stunning view .