Featurs:
High-Power HD Binoculars — 20x50 Low-Light Night Vision Outdoor Binoculars

The lenses are made of all-optical glass material with 12-layer multi-coating, delivering sharp, bright, clear, and free of chromatic aberration imaging.

Central Focusing Knob

High-Grade Anti-Slip Armor

Rotating Eyecups

Fully Multi-Coated Green Film

All-Metal Body

better sealing and long-term reliability.
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Large Objective Lenses: 

Usually refers to a large objective lens size (50mm based on prior parameters), which gathers more light for a brighter and clearer view.

Extreme Temperature Resistance: 

the product can operate reliably across a wide temperature range. The internal optical components are resistant to issues like separation or fogging caused by thermal expansion and contraction, making it suitable for harsh environments.

High-Level Waterproofing:

excellent sealing that prevents rain and moisture from entering the interior, ensuring normal use in adverse weather conditions like rain, humidity, or dust.

 
Specification:

Magnification (x): 10

Objective Lens Diameter (mm): 50

Real Field of View (degrees): 6.5

Field of View at 1000m (m): 114

Exit Pupil Diameter (mm): 5.0

Eye Relief (mm): 11.8

Closest Focusing Distance (m): 7.0

Interpupillary Distance Adjustment (mm): 56-72

Package Contents:

 1x Telescope

 1x Instruction Manual