Barska 10x42 WP Blackhawk Bak-4 Green Lens Black. The Barska Blackhawk 10x42 Compact Binoculars has fully coated optics in this compact roof prism design delivers high quality clear crisp images. Designed for all environments the Barska Blackhawk 10x42 Waterproof Roof Prism Binoculars are nitrogen purged and O-ring sealed for complete waterproof/fogproof protection. Specifications for Barska WP Blackhawk 10x42mm Roof Prism Binoculars: Manufacturer: Barska Color: Black Magnification: 10 x Objective Lens Diameter: 42 mm Prism System: Roof Prism Material: BAK-4 Image Stabilizer: No Eye Relief: 17.5 mm Exit Pupil: 4.2 mm Field of View Linear: 344 ft at 1000 yds Optical Coating: Multi-Coated Binoculars Focus System: Center Focus Twilight Factor: 20.49 Close Focus: 6.6 ft Water Resistance Level: Waterproof Length: 5.67 in Weight: 24 oz Included Accessories: Carrying Case Neck Strap Lens Cloth Lens Covers Magnification Type: Fixed Size: Small Tripod Adaptable: Yes Eyecups Types: Twist-Up Compass: No Fogproof: Yes Case: Yes Housing/Frame Material: Aluminum Strap: Yes Nitrogen Filled: Yes Zoom: No Armoring: Rubber Armored Brightness Index: 17.64 Features of Barska 10x42 WP Blackhawk Binoculars 10x Magnification 42mm Objective Lens Fully-Coated Optics Compact Roof Prism Design 100percent Waterproof and Fogproof Protective Rubber Armor New Diamond Cut Grip Close Focus (ft/m) 6.6/2 Eye Relief 17.5mm Objective Lens 42mm Exit Pupil 4.2mm Field of View (ftat1000yds/mat1000m) 344ft / 105m Diopter Right Eye Package Contents: Barska 10x42 Compact Waterproof Blackhawk Binoculars Carrying Case Lens Covers Neck Strap Lens Cloth Barska AB11842: 10x42 WP Blackhawk Bak-4 Green Lens Black