Pentax S-Series Superior SD 10x42mm WP Full Size Binocular Green. It has all the quality features found in the entire roof prism range PENTAX has on offer: fully multi-coated lenses inner focusing water and dust proof nitrogen-purged and phase correction coatings on the BaK4 prisms. The new Enhanced light transmission coating creates crystal sharp images. The polycarbonate housing makes the whole package a full-size light-weight. It also offers 4-stop helicoid eyecups. When weight is a critical factor for you then these binoculars are the perfect reason to upgrade to full size. Specifications for Pentax S-Series Superior SD 10x42mm WP Full Size Roof Prism Binocular: Manufacturer: Pentax Color: Green Magnification: 10 x Objective Lens Diameter: 42 mm Prism System: Roof Prism Material: BAK4 Eye Relief: 18 mm Exit Pupil: 4.2 mm Field of View Linear: 31.9 m at 1000 m Field of View Angle: 6 degrees Optical Coating: New Premium level lens Coated full multi-coated Binoculars Focus System: Center Focus Twilight Factor: 17.6 Interpupillary Distance: 56 - 74 mm Close Focus: 8.2 ft Diopter Adjustment Range: -3 - 3 dpt Weather Resistance: Yes Water Resistance Level: Waterproof Length: 5.8 in Weight: 21.7 oz Finish: Green Condition: New Package Type: Box Additional Features: WP Full Size Binocular Included Accessories: Neck Strap Case Eyepiece lens caps Magnification Type: Fixed Features of Pentax S-Series Superior SD 10x42 WP Full Size 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 S-Series Superior SD 10x42 WP Full Size Binocular Pentax 62762: S-Series Superior SD 10x42 WP Full Size Binocular Green