Model | BSP604 | ||
Specification | 12-36x60 | 15-45x60 | 20-60x60 |
Magnification | 12x - 36x | 15x - 45x | 20x - 60x |
Obj.lens (mm) | 60 | 60 | 60 |
Angle | 3.0°-1.5° | 2.3°-1.1° | 1.7°-0.85° |
Field of View at 1000m | 52 - 26 | 40 - 20 | 30 -15 |
Apparent Field of View | 36°- 54° | 34.5°- 49.5° | 34°- 51° |
Exit pupil (mm) | 5.0 - 1.7 | 4.0 - 1.4 | 3.0 - 1.0 |
Eye relief (mm) | 19 - 15 | 18 - 15 | 18 - 15 |
Dusk Index | 26.8 - 46.5 | 30 - 52 | 35 - 60 |
Relative Brightness | 25 - 2.9 | 16 - 1.9 | 9.0 - 1.0 |
Lens Coating | Fully Multi | ||
Eyecups | Twist-Up | ||
Waterpoof(Y/N) | N | ||
Length (mm) | 310 | 385 | 475 |
Weight (g) | 650g | 900g | 900g |
Model | BSP604 | ||
Specification | 15-45x70 | 20-60x70 | 20-60x80 |
Magnification | 15x - 45x | 20x - 60x | 20x - 60x |
Obj.lens (mm) | 70 | 70 | 80 |
Angle | 2.3°-1.1° | 1.7°-0.85° | 1.7°-0.85° |
Field of View at 1000m | 40 - 20 | 30 - 15 | 30 - 15 |
Apparent Field of View | 34.5°- 49.5° | 34°- 51° | 34°- 51° |
Exit pupil (mm) | 4.6 - 1.5 | 3.5 - 1.1 | 4.0 - 1.33 |
Eye relief (mm) | 18 - 15 | 18 - 15 | 18 - 15 |
Dusk Index | 32.4 - 56 | 37 - 64.8 | 40 - 69 |
Relative Brightness | 21 - 2.25 | 12.2 - 1.2 | 16 - 1.76 |
Lens Coating | Fully Multi | ||
Eyecups | Twist-Up | ||
Waterpoof(Y/N) | N | ||
Length (mm) | 475 | 475 | 475 |
Weight (g) | 1000g | 1000g | 1100g |