Kowa Genesis 10.5x44mm Roof Prism Waterproof Binoculars Matte Green. The multi-coated BAK-4 prisms deliver high resolution high contrast and high resolution viewing for a superior viewing experience. Superior sealing technology prevents moisture and fogging while offering a long-lasting solution for your outdoor activities. These 10.5x44mm models perform very well even in the rain with their lightweight the multi-coated lenses and textured body providing a quick and easy grab in any situation. The lightweight design makes the Genesis series very easy to carry and carry all year long. In addition to the premium performance of these waterproof binoculars they also include a case soft case and a limited lifetime warranty. Specifications for Kowa Genesis 10.5x44mm Roof Prism Waterproof Binoculars: Manufacturer: Kowa Color: Green Magnification: 10.5 x Objective Lens Diameter: 44 mm Prism System: Roof Prism Material: BAK4 Eye Relief: 16 mm Exit Pupil: 4.2 mm Field of View Angle: 6.2 degrees Optical Coating: Multi-Coated Binoculars Focus System: Center Focus Twilight Factor: 17.6 Close Focus: 5.5 ft Diopter Adjustment Range: -4 - 4 dpt Length: 6.5 in Weight: 33.92 oz Finish: Matte Condition: New Magnification Type: Fixed Width: 5.4 in Eyecups Types: Twist-Up Height: 2.5 in Country of Origin: Japan Focus Range: 5.58 ft to infinity Package Contents: Kowa Genesis 10.5x44mm Roof Prism Waterproof Binoculars Kowa Genesis 10.5x44 Roof Prism Waterproof Binoculars Matte - GN44-10x