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