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Review ratings
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Barska 7-21x40 Colorado
Rating: 0
Number of votes: 0
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Workmanship
Relevant cost
Serviceability
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Tech specs and characteristics
Main characteristics
Type: binoculars;
Increase: 7-21x;
Lens diameter: 40 mm;
Exit pupil diameter: 1.9-5.7 mm;
Field of view at 1,000 yards: 90 m;
Minimum focusing distance: 10 m;
Characteristics
Type of prism: Porro;
The relative brightness: 32.49;
Twilight factor: 29.39-16.73;
Adjusting the distance between the eyes: yes;
Dioptric correction: ±5D;
Design
Focus: Central;
Design features: tripod mount;
Eyecups: rubber;
Case: rubber, protection from moisture and dust;
Additionally
Case/pouch included: yes;
Body color: black;
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Product photography
Barska 7-21x40 Colorado pictures
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Popular today
 | | - binoculars
- increase 10-40x
- diameter of 50 mm lens
- field of view (1000 m): 26-63 m
- body material: metal
- weight 945
- minimum focusing distance of 11 m
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 | | - binoculars
- zoom 8x
- lens diameter 24 mm
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 | | - binoculars
- the 10x magnification
- diameter of 50 mm lens
- exit pupil 5 mm
- field of view (1000 m): 87 m
- body material: metal
- weight 27 g
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Similar Binoculars
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Brief specs
- binoculars
- the increase of 7-21x
- lens diameter 40 mm
- exit pupil 5.6 mm
- field of view (1000 m): 87 m
- weight 842
- minimum focusing distance of 8 m
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Brief specs
- visual pipe
- the increase 25-75x
- lens diameter 75 mm
- exit pupil 1-3 mm
- field of view (1000 m): 14-30 m
- weight 1950
- minimum focusing distance of 10 m
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Brief specs
- visual pipe
- the increase 15-40x
- diameter of 50 mm lens
- exit pupil 3.5 mm
- field of view (1000 m): 45 m
- minimum focusing distance of 8 m
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