Barska Lucid View Compact 8x21mm Roof Prism Binoculars Black Small. The Lucid View binocular features BK-7 roof prisms and fully coated optics thereby maximizing light transmission and making bright images available to the viewer. They possess a compact folding dual-hinge bridge design with a centered focus knob. Ergonomic and shock absorbing rubber armoring with a firm grip serve up a secure and comfortable hold with added shock-resistance. Whether hiking bird watching or hunting this binocular has a compact convenience that's worth carrying along. Specifications for Barska Lucid View Compact 8x21mm Roof Prism Binoculars: Manufacturer: Barska Color: Black Magnification: 8 x Objective Lens Diameter: 21 mm Prism System: Roof Prism Material: BK-7 Eye Relief: 10.5 mm Exit Pupil: 2.6 mm Field of View Linear: 383 ft at 1000 yds Optical Coating: Fully Coated Binoculars Focus System: Center Focus Close Focus: 16 ft Finish: Matte Magnification Type: Fixed Features of Barska Lucid View Compact 8x21mm Roof Prism Binoculars 8x Magnification BK-7 Roof Prisms Redesigned Diamond Grip Fully Coated Lenses Compact Folding Dual-Hinge Design Center Focus Rubber Armoring Package Contents: Barska Lucid View Compact 8x21mm Roof Prism Binoculars Carrying Case Neck Strap Lens Covers and Lens Cloth Barska AB13273: Lucid View Compact 8x21mm Roof Prism Binoculars Black Small