Type: Prism Binoculars Magnification: 18x Objective Lens Effective Diameter: 50mm Filter Size: 58mm Real Field of View: 3.7° Apparent Field of View: 66.6° Objective Lens Construction: 4 elements in 3 groups (including protective glass) Eyepiece Lens Construction: 7 elements in 5 groups Exit Pupil Diameter: 2.8mm Eye Relief: 15mm Prism Type: Porro II Eye Width adjustment: 58mm ~ 76mm Focusing Method: Manual focusing by turning the focusing knob Dioptric Correction: ±3.0 diopters Closest Focusing Distance: 6 m/19.7 ft. Image Stabilizer: Vari-Angle Prism Correction angle: ±0.7° Tripod Socket: Provided Power Source: 2 x AA Dimensions: 152 x 193 x 1180mm/6.0 x 7.6 x 3.2 in. Weight: 1180g/41.6 oz. (excluding batteries)
Features
Features
Built-in Image Stabilizer (IS) provides shake-free performance. High magnification ratio: 18X. Ultra-low dispersion (UD) glass elements for exceptional image quality. Doublet field-flattener for sharp, distortion-free images from edge-to-edge. Extra-bright, large diameter 50mm objective lens. Long eye relief: 15mm. Water-resistant construction with non-slip rubberized grip.
Additional Information
First Listed on Newegg
August 27, 2010
Customer Reviews of the Canon 18 x 50 IS All Weather