Delta Optical
17 products
Overall rating | 1 review) | (
Technical Features | 8x42 | 10x42 | 10x50 | 12x50 |
Magnification [x] | 8 | 10 | 10 | 12 |
Objective lens diameter [mm] | 42 | 42 | 50 | 50 |
Optical coating | FMC | FMC | FMC | FMC |
Objective lens material | Glass | Glass | Glass | Glass |
Twilight factor | 18,3 | 20,5 | 22,4 | 24,5 |
Relative brightness | 28,1 | 17,6 | 25 | 17,6 |
Exit pupil diameter [mm] | 5,3 | 4,2 | 5 | 4,2 |
Eye relief [mm] | 17 | 15 | 20 | 18 |
Interpupillary distance adjustment [mm] | 59-73 | 59-73 | 59-73 | 59-73 |
Angular field of view [° degrees] | 8,5 | 6,8 | 5,4 | 4,8 |
Linear field of view at 100 m [m] | 149 | 119 | 94 | 84 |
Shortest focusing distance [m] | 2 | 2 | 4 | 4 |
Dioptre adjustment [D]: | -/+5 | -/+5 | -/+5 | -/+5 |
Prism system | Roof | Roof | Roof | Roof |
Prism material | BaK4 | BaK4 | BaK4 | BaK4 |
Waterproof | Yes | Yes | Yes | Yes |
Nitrogen filling | Yes | Yes | Yes | Yes |
Tripod mounting | Adapter ¼" | Adapter ¼" | Adapter ¼" | Adapter ¼" |
Weight [g] | 732 | 712 | 842 | 846 |
Dimensions [mm] | 147x127x56 | 147x127x56 | 165x133x60 | 165x133x60 |