Magnification |
10x |
12x |
Obj. lens diameter |
56mm |
56mm
|
Exit pupil |
5.6mm |
4.7mm |
Field of View (FOV)
|
6.7°
|
5.5°
|
Apparent FOV (FOV x Power) |
67°
|
66°
|
Field of view (ft/1000 yds) |
352 |
289 |
Brightness |
31.4 |
21.8 |
Light transmission (%) |
93.70% |
94.20% |
Twilight factor |
23.7 |
25.9 |
Multi Position Eyecups Y/N |
Yes |
Yes
|
Eye relief |
17mm |
18mm |
Near focus |
9.8ft |
9.8ft |
Eye width adjustment |
56~74mm |
56~74mm
|
Dimension WxHxD |
6.1x8.2x2.6 |
6.1x8.2x2.6
|
Weight |
48 oz |
48 oz |
Lens constr. obj. |
3 groups 4 elements (ED) |
3 groups 4 elements (ED)
|
Lens constr. ocular |
4 groups 5 elements |
5 groups 6 elements |
Prisms type |
Abbe-Koenig |
Abbe-Koenig
|
Prism reflective coating type |
N/A |
N/A |
ED glass |
Yes |
Yes |
Lens coating |
Scratch and Oil Resistant |
Scratch and Oil Resistant
|
Diopter correction (dpt) |
+/-2 |
+/-2
|
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 components assembled in the US |
Japanese components assembled in the US
|