8-20x50 Powerful Zoom Monocular High Powered Telescope All Optical Glass Long Range Fmc Bak4 Prism Binoculos Monoculos

8-20x50 Powerful Zoom Monocular High Powered Telescope All Optical Glass Long Range Fmc Bak4 Prism Binoculos Monoculos

Item: 8-20X50 Infinite Zoom Monoscope Magnification: 8-20X Objective Diameter: 50mm Eyepiece Diameter: 20mm Field of View: 31-76m@1000m Size: 78x64x225mm Weight: 500g Prism: Roof BAK4 prism Focus: Central Focus Coating: FMC green film Material: Metal Frame Rubber Surface Lens Material: Full optical glass Eye Cup: Twist-up Rubber Eye Cup Tripod Connectable: Yes Fit for: Camping  Bird-watching.etc Note: Do not use this product to directly observe the strong light source such as the sun, otherwise it will cause permanent damage to your eyes. Product Features: 1. 20mm eyepiece and 50mm objective for reducing eye fatigue and more light; 2. BAK4 prism and FMC green film for better images; 3. Optical glass lens and metal frame with good rubber surface for better using; 4. Infinite zoom monocular for viewing different objects; 5. Twist-up rubber eye cup for different people.