Leupold BX-1 McKenzie HD 10x42mm Roof Prism Binoculars Rubber Shadow Gray. The compact design of this Binocular from Leupold feels solid in your hands. The Leupold BX-1 McKenzie HD 10x42 Binocular features an optical system with better resolution compared to other binoculars in its class. The roof prism delivers better resolution and the compact design delivers a solid feel in your hands. The Leupold BX-1 McKenzie HD 10x42 Polymer Binocular comes with a diopter adjustment ring to correct common errors. These Binoculars are built with the Leupold Advanced Optical System which uses a multilayer coating to provide superb resolution even in the low light conditions of dawn and dusk. For fogproof and waterproof binoculars look no further than the Leupold BX-1 McKenzie HD 10x42mm Multi-Coated Binocular. Specifications for Leupold BX-1 McKenzie HD 10x42mm Roof Prism Binoculars: Manufacturer: Leupold Color: Shadow Gray Magnification: 10 x Objective Lens Diameter: 42 mm Prism System: Roof Prism Material: BAK4 Eye Relief: 13.7 mm Exit Pupil: 4.2 mm Field of View Linear: 305 ft at 1000 yds Optical Coating: Fully Multi-Coated Binoculars Focus System: Center Focus Twilight Factor: 0.204 Interpupillary Distance: 56 - 74 mm Close Focus: 3 m Weather Resistance: Fog Resistant Water Resistance Level: Waterproof Length: 5.8 in Weight: 22 oz Finish: Rubber Fabric/Material: Polymer Condition: New Included Accessories: Lens Covers Lens Cloth Binocular Harness Magnification Type: Fixed Fogproof: Yes Zoom: No Features of Leupold BX-1 McKenzie HD 10x42mm Roof Prism Binoculars: Advanced Optical System Precision focus adjustments Central focus dial Diopter focus Field replaceable twistup adjustable eyecups Waterproof Fogproof Guaranteed for life Package Contents: Leupold BX-1 McKenzie HD 10x42mm Roof Prism Binoculars Leupold 181173: BX-1 McKenzie HD 10x42mm Roof Prism Binoculars Shadow Gray