18x50 IS Features       

• Image Stabilization System compensates for handshaking as well as minute vibrations at the touch of a button
  
  
• High Magnification Optics, 18x, accommodate wide-ranging activities
  
  
• Wide, Extra-Bright Field of View from large-diameter 50mm objective lens
  
  
• Multi-Coated Ultra-Low Dispersion (UD) Objective Elements add contrast, clarity and color fidelity
  
  
• Long 15mm Eye Relief for easy viewing
  
  
• Shock-and-Water-Resistant Construction with non-slip rubberized coating

Prism : Porro II Prism

Focusing Systems: Objective Lens “

G2-G4” movement

Magnification: 18x

Objective Lens Diameter (mm): 50

Focus Range (ft): 19.7-infinity

Exit pupil (mm): 2.8

Relative Brightness: 7.8

Eye Relief (mm): 15 (long eye relief)

Field of view:

• Real degrees: 3.7
  
• Apparent degrees: 66.6 (wide)
  

Field of view at 1,000 yards (ft): 195

Size (encase) [WxHxD] (in): 6x7-9/16x3-3/16

Weight (oz): 42.3 without batteries

Water Resistant: Water Resistant

Exterior Finish: Rubber Coat

Powersource: Two AA Alkaline batteries