Features:
20mm eyepiece and 50mm objective for reducing eye fatigue and more light
BAK4 prism and FMC green film for better images
Optical glass lens and metal frame with good rubber surface for better use
Infinite zoom monocular for viewing different objects
Twist-up rubber eye cup for different people.

Specifications:
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 Hunting Bird-watching. etc

Package Includes:
1 x 20x50 Monocular High Powered Zoom Telescope With Optical Glass
1 x Lens Cover
1 x Mirror Bag
1 x Cleaning Cloth

Note: Do not use this product to directly observe a strong light source such as the sun, otherwise it will cause permanent damage to your eyes.