Pentax A-Series Advanced Compact AD 8x25mm WP Roof Prism Binocular Green. They have all the quality features found in the entire roof prism range PENTAX has on offer: inner focusing water and dust proof nitrogen-purged fully rubberized body focus wheel and twist-up eyecups for comfortable handling and easy focusing. Thanks to modern design compactness and high performance features they deliver outstanding viewing enjoyment. Specifications for Pentax A-Series Advanced Compact AD 8x25mm WP Roof Prism Binocular: Manufacturer: Pentax Color: Green Magnification: 8 x Objective Lens Diameter: 25 mm Prism System: Roof Prism Material: BAK4 Eye Relief: 21 mm Exit Pupil: 3.1 mm Field of View Linear: 29.2 m at 1000 m Field of View Angle: 5.5 degrees Optical Coating: full multi-coated New Premium level lens Coated Binoculars Focus System: Center Focus Twilight Factor: 9.8 Interpupillary Distance: 33 - 72 mm Close Focus: 9.8 ft Diopter Adjustment Range: -2 - 2 dpt Weather Resistance: Yes Water Resistance Level: Waterproof Length: 4.3 in Weight: 10.6 oz Finish: Green Condition: New Package Type: Box Additional Features: WP Compact Binocular Included Accessories: Neck Strap Case Eyepiece lens caps Magnification Type: Fixed Blade Material: Rubber Features of Pentax A-Series Advanced Compact AD 8x25 WP Binocular New fully multi-coated optics New enhanced light transmission coatings Phase correction Protective lens coating Waterproof Nitrogen purged Inner Focus Optics design Package Contents: Pentax A-Series Advanced Compact AD 8x25 WP Binocular Pentax 62881: A-Series Advanced Compact AD 8x25 WP Binocular Green