C.3 Specifications
| Magnification | 10x | 12x |
| Obj. lens diameter | 50mm |
50mm
|
| Exit pupil | 5mm | 4.2mm |
|
Field of View (FOV)
|
5°
|
4.8°
|
| Apparent FOV (FOV x Power) |
50°
|
57°
|
| Field of view (ft/1000 yds) | 262 | 251 |
| Brightness | 25 | 16.8 |
| Light transmission (%) | 90.00% | 89.00% |
| Twilight factor | 22.4 | 24.5 |
| Multi Position Eyecups Y/N | Yes |
Yes
|
| Eye relief | 19.5mm | 15mm |
| Near focus | 8.2ft |
8.2ft
|
| Eye width adjustment | 58~72mm |
58~72mm
|
| Dimension WxHxD | 5.3x6.6x2.4 |
5.3x6.6x2.4
|
| Weight | 28 oz | 28 oz |
| Lens constr. obj. | 3 groups 4 elements (ED) |
3 groups 4 elements (ED)
|
| Lens constr. ocular | 2 groups 3 elements | 3 groups 4 elements |
| Prisms type | Schmidt-Pechan |
Schmidt-Pechan
|
| Prism reflective coating type | Dielectric Coating |
Dielectric Coating
|
| Phase Correction Coating | Yes | Yes |
| ED glass | Yes | Yes |
| Lens coating | Scratch and Oil Resistant |
Scratch and Oil Resistant
|
| Diopter correction (dpt) | +/-4 |
+/-4
|
| Pressure tested to what pressure | 1m for 30 min. (IPX7) |
1m for 30 min. (IPX7)
|
| Storage temperature |
-40°~158°F
|
-40°~158°F
|
| Functional temperature |
-13°~140°F
|
-13°~140°F
|
| Frame material | Polymer |
Polymer
|
| Internal gas purged | Nitrogen |
Nitrogen
|
| Tripod Adaptable Y/N | Yes | Yes |
| Origin | Japanese and Chinese coponents assembled in the Philippines |
Japanese and Chinese coponents assembled in the Philippines
|