Canon 12x36 IS II

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Canon's third generation 12x36 IS III Image Stabilized Binoculars feature the proprietary IS system adapted from the lens systems to create this compact optic that compensates for hand-shake to make them ideal for a long day of bird or nature-watching and sporting events. Utilizing Vari-Angle prisms placed between the front lens and the main prism,... morewhen the internal gyro sensors vertical or horizontal detect movement they direct the prisms to compensate and correct for external the shaking to produce smoother views and panning. A microcomputer, outfitted with proprietary algorithms, enhances IS operation, aids shorter startup times, and enable more efficient energy consumption.Beyond the image stabilization performance are optical features that improve image overall image quality. This begins with Canon's anti-reflection Super Spectra multicoatings to reduce light loss and improve image contrast. Next, they employ a Porro prism optical path that provides a rich depth of field to enable users to better judge distance between objects and a comfortable long 14.5mm eye relief. A doublet field-flattener corrects spherical aberration for distortion-free views, especially at the edges, and wide angle 60° apparent angle of view deliver a truly immersive observational experience. The binoculars run on two included and readily available AA batteries that will power the binoculars for up to nine hours at 77°F. Designed for portability and ease-of-use, they measures in with a compact length of 6.9" and weighs just over 23 oz.Canon 12x36 IS III Features:Optical Performance12x magnification36mm objective lensesPorro prism optical pathDoublet field-flattener corrects spherical aberration for distortion-free views, especially at the edgesEco-friendly lead-free glass262' field of view at 1000 yd60° apparent angle of view2-element / 1-group objective lenses5-element/ 4-group eyepiece lensesImage Stabilization±0.8° stabilization freedomVari-angleprism image stabilization system uses a combination of gyro sensors and microprocessor to adjust the angle for stabilizationUse and HandlingCenter focus wheel±3 dioptric correctionLong 14.5mm eye relief, 3mm exit pupilRuns on two AA alkaline or NiMH batteriesContinuous runtime of approximately 9 hours at 77°F (25°C), or one hour at 14°F (10°C)Canon 12x36 IS III Specifications:Prism Type: PorroMagnification: 12xObjective Lens Diameter: 36 mmAngle of View: 5° (Actual)Field of View: 262' @ 1000 yd /86.98 m @ 1000 mMinimum Focus Distance: 19.7' /6 mExit Pupil Diameter: 3 mmEye Relief: 14.5 mmInterpupillary Adjustment: 55 to 75 mm /2.2 to 3"Diopter Adjustment: -3 to +3Focus Type: CenterStabilization Freedom: +/- 0.8°Battery: 2 x AADimensions: 6.9 x 5 x 2.8" /17.53 x 12.7 x 7.11 cmWeight: 23.3 oz /660 g Canon 12x36 IS III Image Stabilized Binoculars.