Pentax S-Series Superior SP 12x50mm Full Size Porro Prism Binocular Black. Pentax built these Binoculars with premium multi-layer coatings on the multiple layers of the lens ensuring maximum light transmission for bright clear and vivid images. The Pentax S-Series Superior SP 12x50mm Waterproof Full Size Binocular easily performs in extreme weather conditions offering JIS Class 6 rating which can hold up in any wet conditions (submersible to 1m). Plus these binos are nitrogen-filled for fogproof capabilities (JIS Class 6). Use the Pentax S-Series Superior SP 12x50mm Porro Prism Full Size Binocular to get the clearest views while observing wild life or other beautiful sights. Specifications for Pentax S-Series Superior SP 12x50 Full Size Binocular: Manufacturer: Pentax Color: Black Magnification: 12 x Objective Lens Diameter: 50 mm Prism System: Porro Prism Material: BAK4 Eye Relief: 20 mm Exit Pupil: 4.2 mm Field of View Linear: 220 ft at 1000 yds 73.5 m at 1000 m Field of View Angle: 5.6 degrees Optical Coating: Fully Multi-Coated Binoculars Focus System: Center Focus Twilight Factor: 17.4 Interpupillary Distance: 57 - 72 mm Close Focus: 18 ft Weather Resistance: Yes Water Resistance Level: Waterproof Length: 7 in Weight: 38.4 oz Finish: Black Condition: New Package Type: Box Included Accessories: Eyepiece lens caps Neck Strap Case Magnification Type: Fixed Size Class: Full Size Features of Pentax S-Series Superior SP 12x50 Full Size Binocular New fully multi-coated optics Durable aluminum die cast body For spectacle wearers: soft rubber eyecups that can easily be folded back Click-stop diopter adjustment Package Contents: Pentax S-Series Superior SP 12x50 Full Size Binocular Pentax 65904: S-Series Superior SP 12x50 Full Size Binocular Black