Leica Ultravid HD-Plus 12x50mm Roof Prism Binoculars Rubber Armored Black. Their fluoride lenses ensure optimum image clarity and resolution power. Thanks to their large front lens diameter they are particularly suitable for observations at night and in the hours approaching darkness. Leica Ultravid 50 HD-Plus binoculars are available with a magnification factor of 8x 10x or 12x. The 12x magnification offers the best possible detail identification and is ideal for the use with tripods. Specifications for Leica Ultravid HD-Plus 12x50mm Roof Prism Binoculars: Manufacturer: Leica Color: Black Magnification: 12 x Objective Lens Diameter: 50 mm Prism System: Roof Image Stabilizer: No Eye Relief: 13 mm Exit Pupil: 4.17 mm Field of View Linear: 299 ft at 1000 yds Field of View Angle: 5.7 degrees Optical Coating: HDC Coating / Leica AquaDura Binoculars Focus System: Center Focus Twilight Factor: 24.5 Interpupillary Distance: 58 - 75 mm Close Focus: 3.2 m Diopter Adjustment Range: -4 - 4 dpt Weather Resistance: Yes SplashProof Water Resistant Mark: 5 m Water Resistance Level: Watertight Length: 7.25 in Weight: 2.29 lb Finish: Rubber Armored Fabric/Material: Aluminium Condition: New Package Type: Box Magnification Type: Fixed Zoom: No Package Contents: Leica Ultravid HD-Plus 12x50mm Roof Prism Binoculars Leica 40097: Ultravid HD-Plus 12x50mm Roof Prism Binoculars Black