Magnification 10x 12x
Obj. lens diameter 50mm
50mm
Exit pupil 5mm 4.1mm
Field of View (FOV)
4.8°
Apparent FOV (FOV x Power)
50°
57°
Field of view (ft/1000 yds) 262 251
Brightness 25 16.8
Light transmission (%) 90.00% 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