Features:
*Extral Low Dispersion (ED) Glass 
*BaK4 Prism
*Dual Speed Focusing 1:10 Fine Focus 
*Waterproof (Nitrogen Filled)
*Fully Multi Coated 

Type	Angle eyepiece (45°)
Waterproof	yes
Objective Lens Diameter	66mm
Eyepiece	E0824Z-A
Magnification	16 ~ 48x
Lens Coating	Fully Multi-coating
Field of View (degrees)	2.25° ~ 1.3°
Field of View at 1000yds	118ft ~ 68ft @ 1000yd
Eye Relief (mm)	25~16
Near Focus  (ft)	21
Interchangeable eyepeice	yes