With large objective lenses for superior light-gathering and the power of 10X magnification, the PENTAX 10x50 PCF WP II binocular is the perfect companion for observations made at dusk or dawn. Add to that a 261 foot field of view and waterproof construction, and this high-performance model provides superior viewing in even the lowest light conditions and harshest climates.
Binocular Type: Porro-prism center focusing (built-in focusing arm) Lens Construction: 2 elements in 1 group Coating: Lens: Full multi-coating Prism: Multi-coating Magnification: 10X Objective Lens Diameter: 50mm Real Field Of View: 5.0 degrees Apparent Field Of View: 50 degrees Field Of View At 1000 Meters: 87m Field Of View At 1000 Yards: 261 ft. Exit Pupil: 5.0mm Eye Relief: 20mm Prism: Porro Relative Brightness: 25 Diopter Adjustment Range: +/- 2 m -1 Diopter Adjustment: Right diopter ring (click diopter adjustment) Eye Width Adjustment Range: 57mm to 72mm Focusing Range: 5.5m Eyepiece Ring: Helicoid type Body Color: Black Height Width: 178mm x 183mm Thickness: 79mm Weight: 34.2 oz. Waterproof: 1m depth of water (JIS Class 6)*, Nitrogen filled. *PENTAX PCF WP II models are not designed for underwater use, and should not be submerged in water.