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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| Model | BT5574 | ||
| Specification | 8x25mm | 10x25mm | 12x25mm |
| Magnification | 8x | 10x | 12x |
| Obj.lens (mm) | 25 | 25 | 25 |
| Angle | 6.5° | 6.2° | 4.5° |
| Field of View at 1000m | 114 | 108 | 78 |
| Apparent Field of View | 52° | 62° | 54° |
| Exit pupil (mm) | 3.1 | 2.5 | 2.1 |
| Eye relief (mm) | 13 | 13 | 13 |
| Dusk Index | 14.1 | 15.8 | 17.3 |
| Relative Brightness | 9.6 | 6.2 | 4.3 |
| Type of Prism | Porro / Bak4 | ||
| Focus System | Central | ||
| Lens Coating | Fully Multi | ||
| Eyecups | Fold-Down | ||
| Size (mm) | 115(L)x50(W)x112(H) | ||
| Weight (g) | 298 g | ||
| ED binoculars Bak4 prism | |||
