Specification:

 Item Name: Binoculars Telescope

Magnification: 10X-20X

Objective Diameter: 50mm

Eyepieces Diameter: 28mm

Exit Pupil Diameter: 12mm

Eye-relief: 15mm

Prism Material: BAK4

Optical Coating: Multi-layer Broadband Green Film

Field Of View: 168m/1000m

Net Weight: 800g

Size: 200*205mm

 Features:

 ● 【Compact Binoculars with High Power】High power 20x50 Roof prism binoculars with 20x High powered magnification and large 42mm objective lens ensures wide angles viewing from more than 100 feet away Perfect for outdoor activities such as hunting hiking bird watching boating sports viewing shooting range concert even stargazing 

● 【HD Vision with Quality Optics】Specially designed with 18mm Large Eyepiece and 16.5mm Super Bright BAK4 Prism FMC Lens, the fully multi-coated objective lens for light reflection and minimal distortion The key elements of an HD vision brighter view and sharp images 

● 【Durable Framework and Waterproof】Designed with durable structure with odorless rubber armor for shock-resistance and Anti-slip grip, which ensure they will remain firmly in your hands without the risk of slipping and accidentally falling and comfortable to hold and use. Waterproof binoculars can resist light water, but can not be used in a heavy rain for a long time or soaked in the water. 

● 【Powerful Binoculars and Easy to Focus】Powerful binoculars are what most people want, easy to carry and portable to take it with you. The smooth, large center focus knob and adjustable right eyepiece to fit different view distance, makes it simple to operate and easy to focus. More importantly, when you compare with similar binoculars, you'll find that this binoculars is the most comfortable fit for your hand than others.

- Anti-slip rubber pitting. 

- Multilayer blue film: effectively reduce the transmittance of scattered light entering the lens and increase the transmittance. 

- Large eyepiece design: Binoculars have clear and bright images, no dark side, comfortable viewing, and long-term fatigue. 

- Right eyepiece diopter adjustment dial: The vision of the left eye and the right eye may be different, you can adjust the clarity of the left eye, and then directly rotate the right eyepiece diopter ring to get the best results. 

- Waterproof, anti-fog, prevent dust and debris from entering the binoculars.