3-9X40 rifle scope water-proof  fog-proof

 Performance Parameter
 Image quality requirement :   distinguishability≤7.5
 Parallax :   ±5%
 Reticle displacement :   ≤1MOA
 FOV :   0.5D
 Adjust Screw   Separate regulating scope ≤1MOA
 Exit Pupil :   15.2mm
 View of Angle :   21.2°
 Reticle :   Second
 Magnification :   3X-9X
 Specification :    3-9X40
 Reflex Lens Coating :    Reflex Lens Coating
 Overall Light Transmission :   88.21%
 Objective Lens Diameter :   40
 Field angle :   37.68ft-12.36ft
 Parallax :   +2/-2
 Parallax Correction :   100yds
 Exit pupil diameter/mm :   13.33mm-4.44mm
 Distance of exit pupil :   96.5mm-111.7mm
 Adjustment Type :   inside
 Click Value :   1/4"
 Spiral Direction :   clockwise
 Elevation/Windage adjustment range   ±30MOA
 Reticle Type :   BDC
 
Apperance  Parameter
 Finish & Coating :   Anodize
 Color :   Black  Matte
 Texture of material :   6063
 Tube diameter :   25.4
 Marking :   according to you
 Length :   310mm
 Height :   55.6mm
 Width :    55.6mm
 Net Weight :   420g

Physical Properties 
 Impact :   900G,20times
 Fog-proof :   -30ºC,20minutes,10 minutes disappear
 Water-proof :   52ºC 40m deep,3min
 Reticle displacement after the shock :   1MOA
 Operation temperature range :   -30ºC to 60ºC
 Storage temperature range :   25ºC