Active Member
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[China]
Address: No. 80, Tongji Avenue, Qingbaijiang District, Chengdu City, Sichuan Province
Contact name:ETTRVISION
Lijing International Optical Equipment Factory |
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New Type Optical Bak4 Prism 6x21 Shockproof Kids Binoculars For Children
specificaiton
| Product Name | 6X21 Binoculars For Children |
| BODY STYLE | SEMI-AROMATIC THERMOPLASTIC BODY |
| POWERFUL | 8 X ± 5% |
| LENS DIAMETER | Φ21mm ± 1mm |
| ANGLE FEILD | 7.3 ° ± 5% |
| FIELD OF VIEW (at 1000m / at 1000yds.) | 128m / 384ft. |
| DIA EXIT PUPIL. | Φ2.6mm ± 10% |
| CLOSE FOCUS | 5m |
| EYE relief | 10.5mm |
| RELATIVE BRIGHTNESS | 6.9 |
| OPTICAL CONFIGURATION | GOAL: |
| OPTICAL MATERIAL | ALL LENSES AND PRISMS ARE OPTICAL GLASS |
| COATING CONDITION | ALL LENSES FULLY COATED |
| Surface treatment | TITANIUM PAINT & GUM |
| RESOLUTION POWER | 13 " |
| FOCUS SYSTEM | CENTRAL FOCUS |
| FOCUS ADJUSTMENT | -4 TO + 8 DIOPTERS |
| EYEPIECE ADJUSTMENT | -4 TO + 4 DIOPTRY |
| ADJUSTABLE PUPIL | 32-73mm |
| Eyelets | Twist to match |
| WEIGHT | 200g |
Main Features
1) Bak-4 Porro Prism.
2) Multi-coated optics with high transmission coating(above 80%).
3) Mini size, very easy to hold bring with you.
4) Anti-friction non-slip rubber armored body.
5) Fashionable and ergonomic designs.
6) Extremely durable and also comfortable.
7) Manual focusing button set on the body is easily controlled by 1 finger.
8) It is made up of environmental friendly rubber which is safe and healthy to use.
