Check the listing for details. 16x52 Monocular Telescope HD Dual Focus BAK4 Prism Night Vision Spyglass Scope. Condition: New. Listed at 18.89 USD. Description: Model: 16X52 Color: Black Multiplier: 16X (actual multiple of 10 times) Exit pupil diameter: 5MM Near focus distance: 1.5M Objective: 52MM (with edge) Field of view: 66M / 8000M Prism material: BAK4 Prism system: roof prism Coating: upgraded version of high-definition green film Focusing mode: eyepiece adjustment Size: 145X52mm Net weight: 290G Waterproof anti-fog: life waterproof (do not support diving) Feature: - This product have dual focus capability ( front and back adjustable zoom ). - This monocular offers a 16x magnification and a 52mm objective diameter. - The fully coated optics, meanwhile, guarantee superior light transmission and brightness, helping you see just about any target, whether you're searching for birds or trying to get a better view of the stage. - Non-slip grip. - Single hand operation. - With a wrist strap on the monocular. - Powerful, ultra-compact and ultra-lightweight. - Field of view: 22 degree. This 16 x 52 Dual Focus Zoom Optic Lens Monocular Telescope, helping you see just about any target, whether you are searching for birds, hunting, climbing, trying to get a better view of the stage or even at your favorite team sporting event. Package contents: 1 x 16 x 52 Dual Focus Zoom Optic Lens Monocular Telescope 1 x Pouch 1 x Lens Cloth 1 x Bilingual User Manual in English and Chinese