Active Member
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[China]
Address: Rm8,/F.,Goldfield Ind Centre,No.1 Sui Wo Road,Fo Tan,N.T.,Hong Kong.
Contact name:Daniel Pang
BCI GROUP LIMITED |
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These high quality binoculars from feature a stylish rubber covered aluminium body which protects the device from external damage. The ergonomic thumb indents and finger ridges provide an anti-slip grip and make it easy to use these binoculars.
Optical:
The multi-coated optics of these binoculars ensures that you get
bright and sharp images with high contrast by increasing the light
transmission. These binoculars feature a roof-prism type lens with
8x 10x 12x magnification, 5 m closest focusing distance, 25 mm
objective lens diameter, 7.5,6.0,5.0 degrees actual field of view,
and 11 mm eye relief.
Materials:
Optical glass, aluminium alloy, Rubber, ABS
| Model | BJ5582 | ||
| Specification | 8x25mm | 10x25mm | 12x25mm |
| Magnification | 8x | 10x | 12x |
| Obj.lens (mm) | 25 | 25 | 25 |
| Eyepiece diameter(mm) | 13 | 13 | 13 |
| Field Angle | 7.5° | 6.0° | 5.° |
| Field of View @ 1000m | 131m | 105m | 88m |
| Field of View @ 1000yds | 393ft | 315ft | 264ft |
| Apparent Field of View | 60° | 60° | 60° |
| Exit pupil (mm) | 3.0 | 2.5 | 2.0 |
| Eye relief (mm) | 11.0 | 11.0 | 11.0 |
| Diopter Adjustment | ±5 | ±5 | ±5 |
| Dusk Index | 14.1 | 15.8 | 15.8 |
| Relative Brightness | 9 | 6.25 | 6.25 |
| Prism System | Porro | Porro | Porro |
| Prism Glass | Bk7 | Bk7 | Bk7 |
| Focus System | Center | Center | Center |
| Lens Coating | Fully Multi | Fully Multi | Fully Multi |
| Eyecups | Fold-Down | Fold-Down | Fold-Down |
| Waterproof | NO | NO | NO |
| Size (mm) | 109x53x101 | 109x53x101 | 109x53x101 |
| Weight (g) | 245 | 245 | 245 |
