Sightmark Solitude 8x42 Binoculars. The Bak-4 roof prism binoculars feature a full 8x magnification making them a suitable spectator sport size. Sightmark quality as you would expect from a Sightmark product is evident in these 8x42 binoculars which use fully multi-coated lenses and bak-4 roof prisms to deliver a bright clear image. The multi-coated lenses provide an impressive light transmission which in turn provides a bright image. Perfect for high activity days these binoculars are durable making use of an impressive rubber-armored body with a water-resistant design. The nitrogen-filled Solitude 8x42 binoculars are nitrogen-purged making them fogproof which provides excellent performance in poor weather conditions. With comfortable twist-up eyecups and a streamlined close focus setting these are a must-have for any outdoorsman especially those in low light conditions. Additionally the Solitude binoculars are comfortable to use with ample eye relief and a just-right field of view. Gear up for tomorrow's adventures with Sightmark binoculars. Specifications for Sightmark Solitude 8x42 Binoculars: Manufacturer: SightMark Color: Black Magnification: 8 x Objective Lens Diameter: 42 mm Prism System: Roof Prism Material: BAK4 Eye Relief: 19.7 mm Exit Pupil: 4.1 mm Field of View Linear: 341 ft at 100 yds Field of View Angle: 6.5 degrees Optical Coating: Fully Multi-Coated Binoculars Focus System: Center Focus Twilight Factor: 18.24 Interpupillary Distance: 2.2 - 2.9 in Close Focus: 13.1 ft Diopter Adjustment Range: -4 - 4 dpt Weather Resistance: Yes Water Resistance Level: IP67 Length: 5.91 in Weight: 26.7 oz Included Accessories: Lens Cover Neck Strap Nylon Carrying Case Magnification Type: Fixed Width: 4.92 in Eyecups Types: Twist-Up Fogproof: Yes Minimum Range: 13.1 ft Nitrogen Filled: Yes Zoom: Yes Armoring: Rubber Armored Features of Sightmark Solitude Binocular - 8x42mm: Bak-4 roof prisms Fully multi-coated optics Waterproof fog proof and dust proof Rubber armor Twist Up eyecups Covered by the Sightmark Limited Lifetime Warranty Package Contents: Sightmark 8x42mm Solitude Binocular with BAK 4 Roof Prism SM12002 nylon carrying case neck strap lens covers shoulder harness Sightmark SM12002: Solitude 8x42 Binoculars