Unit Name | NVB-1X | NVB-1.5X | NVB-3X |
Image Intensifier tube | GEN 1+ | GEN 1+ | GEN 1+ |
Magnification | 1X | 1.5X | 3X |
Lens diameter | 22mm | 24mm | 42mm |
Field of view | 44° | 8° | 15° |
Resolution | 30lp/mm | 30-32lp/mm | 32-36lp/mm |
Focus range | 1yard to inf | 1yard to inf | 5yard to inf |
Eye relief | 10mm | 12mm | 12mm |
Diopter adjustment | ±1.5 | ±1.5 | ±4 |
Detection distance | Up to 150yards(approx) | Up to 250yards(approx) | Up to 250yards(approx) |
Power supply | CR123A(lithium) | CR123A(lithium) | CR123A(lithium) |
Battery life(w/out IR) | Up to 30hours(approx) | Up to 30hours(approx) | Up to 30hours(approx) |
Operating temperature | -22°F to +140°F | -22°F to +140°F | -22°F to +140°F |
Dimensions | 5.6’’(L) x 4.6’’(W)x2.1’’(H) inch | 5.6’’(L) x 4.6’’(W)x2.1’’(H) inch | 7.1’’(L) x 4.6’’(W)x2.1’’(H) inch |
Weight | 17.6oz | 22oz | 33oz |