Canon - 15x50 IS Image Stabilizer All Weather Binoculars

15x50 IS Features

* Image Stabilization System compensates for handshaking as well as minute vibrations at the touch of a button
* High Magnification Optics, 15x, 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

15x50 IS Specifications

* Binocular Type: Prism Binoculars
* Magnification: 15x
* Objective Lens:
o Effective Diameter: 50mm
o Filter Threads: 58mm (P=0.75)
o Real Field of View: Field of view at 1,000 yards (ft): 237
* Optical Construction:
o Objective Lens: 4 elements in 3 groups (Including protective glass. G3 uses UD glass.)
o Eyepiece lens: 7 elements in 5 groups
o Exit pupil: 3.3mm
o Eye Relief: 15mm
o Prism Type: Porro II Prism
o Pupil Distance Adjustment Range: 58mm-76mm

* Focusing and Dioptric Correction:
o Focusing system: Objective Lens (G2-G4) movement
o Focusing Method: Manual focusing by turning the focusing knob
o L-R Dioptric Correction Range: +/-3.0 diopters
o Closest Focusing Distance: 19.7 ft. (6m)

* Dimensions and Weight:
o 152x193x81mm 1200g
* Image Stabilizer:
o Image Stabilizer System: Optical correction with vari-angle prism
o Correction Angle: +/- 0.7
o Shake Detection System: Two shake gyro sensors (yaw and pitch)
o Image Stabilizer Activation: Turns on with IS mode button
o Power Source: Two size AA batteries (Optional Battery Pack BP-B1 can also be used)
o Image Stabilizer Continuous Operation Time:
o Approx. 90 minutes (At room temperature with alkaline batteries. Measured according to Canon′s testing conditions.)
o Battery Check: Indicator lamp provided

* Operating Environment:
o 14 degrees to 113 degrees 90% humidity
* Standard Accessories:
o Dedicated soft case, strap, objective lens caps, and eyepiece lens caps.