| Magnification |
10x |
12x |
| Obj. lens diameter |
50mm |
50mm
|
| Exit pupil |
5mm |
4.1mm |
| 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% |
89% |
| 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 |
5.3x6.6x2.3 |
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
|
| 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 5 min. (IPX6) |
1m for 5 min. (IPX6)
|
| 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
|
