Model | BSM617 | ||||
Specification | 15-45x60 | 20-60x60 | 25-75x75 | 30-90x90 | 33-100x100 |
Magnification | 15x - 45x | 20x - 60x | 25x - 75x | 30x - 90x | 33x - 100x |
Obj.lens (mm) | 60 | 60 | 75 | 90 | 100 |
Angle | 2.4°-1.2° | 2.2°-0.97° | 1.7° - 0.8° | 1.5°- 0.6° | 1.3° - 0.6° |
Field of View at 1000m | 42 - 21 | 38 -17 | 30 - 14 | 26 - 11 | 23 - 10 |
Apparent Field of View | 36°- 54° | 44°- 58° | 43° - 60° | 45°- 54° | 43° - 60° |
Exit pupil (mm) | 4.0 - 1.3 | 3.0 - 1.0 | 3.0 - 1.0 | 3.0 - 1.0 | 3.0 - 1.0 |
Eye relief (mm) | 20 - 14 | 13 - 11 | 13 - 11 | 13 - 11 | 13 - 11 |
Dusk Index | 30 - 52 | 35 - 60 | 43 - 75 | 52 - 90 | 57 - 100 |
Relative Brightness | 16 - 1.6 | 9.0 - 1.0 | 9.0 - 1.0 | 9.0 - 1.0 | 9.0 - 1.0 |
Lens Coating | Fully Multi | ||||
Eyecups | Fold-Down | ||||
Waterpoof(Y/N) | N | ||||
Length (mm) | 340 | 340 | 420 | 533 | 595 |
Weight (g) | 994g | 994g | 1258g | 1580g | 2024g |