Magnification Range 12x-27x
Obj. lens diameter 56mm
Exit pupil 4.7mm / 2.1mm
Field of View (FOV)
3.3° / 2.1°
Apparent FOV (FOV x Power)
39.6° / 56.7°
Field of view (ft/1000 yds) 173ft /110ft
Brightness 21.78 / 4.3
Twilight factor 25.9 / 38.9
Multi Position Eyecups Y/N Yes
Eye relief 18.6mm - 20.2mm
Eye piece construction 4 group 7 element
Near focus 2.5m
Dimension WxHxD 11"x2.8"x2.6"
Weight 34.4 oz
Prisms type Abbe-Koenig
Prism reflective coating type N/A
Phase correction coating Yes
Lens coating Oilphobic + flat multi
Pressure tested to what pressure 1m for 30min. (IPX7)
Storage temperature
Functional temperature
Frame material Magnesium / Polymer
Internal gas purged
Objective filter thread
Focus system Vari-speed focusing system
Lens type Fluorite glass
Origin Japanese components assembled in the US