Magnification 10x 12x
Obj. lens diameter 56mm
56mm
Exit pupil 5.6mm 4.7mm
FOV
6.7°
5.5°
Apparent FOV (FOV x Power)
67°
66°
Field of view (ft/1000 yds) 351.8
288.8
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 6.1x8.2x2.7
6.1x8.2x2.8
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