Magnification Range 26x-66x
Obj. lens diameter 85mm
Exit pupil 3.3mm / 1.3mm
Field of View (FOV)
_._° / _._°
Apparent FOV (FOV x Power)
56° / 7
Field of view (ft/1000 yds) 113ft /56ft
Brightness _._ / _._
Twilight factor  / 
Multi Position Eyecups Y/N Yes
Eye relief 17mm - _ _mm
Eye piece construction 5 group 8 element
Near focus 16ft
Dimension WxHxD 15.0x4.0x6.0
Weight 60.0 oz
Prisms type Schmidt-Pechan
Prism reflective coating type Fully multi-coated
Phase correction coating Yes
Lens coating Fully multi-coated
Pressure tested to what pressure 1m for 30min. (IPX7)
Storage temperature
-40°~158°F
Functional temperature
-13°~140°F
Frame material Magnesium / Aluminum
Internal gas purged
Nitrogen
Objective filter thread
No
Focus system Standard
Lens type ED
Origin China