Magnification |
10x |
12x |
Obj. lens diameter |
50mm |
50mm
|
Exit pupil |
5mm |
4.1mm |
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 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
|