IPRee10-30X40 Zoom Monocular HD Optic BAK4 Day Night Vision Telescope+Phone Holder+Tripod

Specifications: Magnification 10-30X Objective diameter 40mm View Angle 2.6-4.6° Field 45.5-80.5M/1000M Prism type BAK4 Objective lens 35mm Eyepiece 20mm Prism system Roof system Exit pupil diameter 1.2-1.7mm Exit pupil distance 17-14mm Close focal distance 3m Coating FMC green Waterproof Daily waterproof Color Black Size 16 x 4.5 x 4.7cm Weight 214g Features:1. 35mm objective diameter wide-angle and HD view.2. 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.3.Waterproof,dust-proof and shockproof degin, perfect for any weather or climate. And The rubber armor with stripes makes it comfortable for use and 4.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.5.Ideal for camping, fishing, hiking, golf, scope, sporting events, concerts, bird watch