Delta Optical
15 products
Technical Features | 8x42 ED | 10x42 ED | 10x50 ED |
Magnification [x] | 8 | 10 | 10 |
Objective lens diameter [mm] | 42 | 42 | 50 |
Optical coating | FMC | FMC | FMC |
Objective lens material | ED glass | ED glass | ED glass |
Twilight factor | 18,3 | 20,5 | 22,4 |
Relative brightness | 28,1 | 17,6 | 25 |
Exit pupil diameter [mm] | 5,3 | 4,2 | 5 |
Eye relief [mm] | 14 | 12 | 23 |
Interpupillary distance adjustment [mm] | 56-76 | 56-76 | 59-78 |
Angular field of view [° degrees] | 7,7 | 6,4 | 6,3 |
Linear field of view at 100 m [m] | 135 | 112 | 109 |
Shortest focusing distance [m] | 2 | 2 | 2 |
Dioptre adjustment [D]: | -/+5 | -/+5 | -/+5 |
Prism system | Roof | Roof | Roof |
Prism material | BaK4 | BaK4 | BaK4 |
Waterproof | Yes | Yes | Yes |
Nitrogen filling | Yes | Yes | Yes |
Tripod mounting | Adapter ¼" | Adapter ¼" | Adapter ¼" |
Weight [g] | 656 | 676 | 774 |
Dimensions [mm] | 138x128x50 | 138x128x50 | 162x132x60 |