National Geographic
Binoculars

National Geographic 7x50

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Tech characteristics and specifications

Main characteristics
Type: binoculars;
Increase: 7x;
Lens diameter: 50 mm;
Exit pupil diameter: 7.14 mm;
Angular field of view, real: 7 degrees;
Field of view at 1,000 yards: 122 m;
Minimum focusing distance: 8 m;
Characteristics
Type of prism: Porro;
The relative brightness: 50.98;
Twilight factor: 18.71;
Adjusting the distance between the eyes: there, 56-73 mm;
Dioptric correction: ±5D;
Design
Focus: Central;
Design features: tripod mount;
Eyecups: retractable;
Case: rubber;
Advanced
Dimensions (width x length x height): 195x178x62 mm;
Weight: 770 g;
Body color: black;
 
 
 
 
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