Opticron Savanna WP 8x30mm Porro Prism Binocular Non-Slip Rubber Covering Black. With wide field eyepieces a large depth of field and incredible 18mm eyerelief these Binoculars designed by the experts at Opticron are a comfortable and practical option for both children and adults without fear of eye strain. Made from an ergonomic rubber armor the Opticron Savanna WP 8x30mm Porro Prism Compact Binocular is waterproof for superior performance in all weather conditions making them the perfect addition to your trekking or camping pack. Lightweight and extremely easy to carry the Opticron Savanna WP 8x30mm Porro Prism Wide Field Binocular are a necessary addition to your exploration gear. Specifications for Opticron Savanna WP 8x30mm Porro Prism Binocular: Manufacturer: Opticron Color: Black Magnification: 8 x Objective Lens Diameter: 30 mm Prism System: Porro Prism Material: BAK4 Image Stabilizer: No Eye Relief: 18 mm Exit Pupil: 3.8 mm Field of View Linear: 393 ft at 1000 yds Field of View Angle: 7.5 degrees Optical Coating: Fully Multi-Coated Binoculars Focus System: Center Focus Twilight Factor: 15.5 Interpupillary Distance: 2 - 2.8 in Close Focus: 9.8 ft Weather Resistance: Yes Water Resistance Level: Waterproof Length: 4.6 in Weight: 17.32 oz Finish: Non-Slip Rubber Covering Fabric/Material: Polycarbonate Aluminum Alloy Package Type: Box Included Accessories: Neoprene Case with Rainguard Wide Neck Strap Magnification Type: Fixed Features of Opticron Savanna WP 8x30mm Porro Prism Rubber Binocular: Limited Lifetime Warranty Uniquely suited to adults and children without the risk of eye strain Waterproofing Lightweight Long eyerelief Ergonomic rubber armor Brighter sharper more three dimensional images Wide field eyepieces and a large depth of field Fit easily into a backpack or sling bag Package Contents: Opticron Savanna WP 8x30mm Binocular Opticron 30046: Savanna WP 8x30mm Porro Prism BinocularBlack