BCI GROUP LIMITED
BCI Group Ltd has been the key manufacturer of optics for more than20 years. Our guiding principle is to provide our customers with the highest quality optics products,we have successfully created a
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Outdoor waterproof binoculars
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| Model | BWY1178 | |
| Specification | 7x50mm | 10x50mm |
| Magnification | 7x | 10x |
| Obj.lens (mm) | 50 | 50 |
| Field Angle | 7.5° | 6.5° |
| Field of View @ 1000m | 132m | 114m |
| Field of View @ 1000yds | 396ft | 341ft |
| Apparent Field of View | 52.5° | 65° |
| Exit pupil (mm) | 7.1 | 5 |
| Eye relief (mm) | 23.0 | 18.5 |
| Dusk Index | 18.7 | 22.3 |
| Relative Brightness | 50 | 25 |
| Prism System | Porro | Porro |
| Prism Glass | Bak4 | Bak4 |
| Focus System | Individual | Individual |
| Lens Coating | Fully Multi | Fully Multi |
| Eyecups | Fold-Down | Fold-Down |
| Waterproof | Yes | Yes |
| Warranty | 10 Years | 10 Years |
| Size (mm) | 200x85x150 | 200x85x150 |
| Weight (g) | 1370g | 1370g |
| Military Standard Bak4 Prism and FMC | ||