Brand New! Product Description Featuring powerful magnification and a generous objective lens for a bright view even in low light conditions, the 12x50 Diamondback HD Binoculars from Vortex are a versatile optic suited to a wide range of uses. They can be mounted on a tripod with a separately sold adapter, and come with a Vortex GlassPak harness for comfortable use during hours of observation. Roof prism design 12x magnification 50mm objective lenses Fully multicoated lenses increase transmission, clarity, and brightness Dielectric-coated, phase-correcting roof prisms improve true color, contrast, and transmission 5.2 angle of view 271' linear field of view at 1000 yards Birding-friendly 6' close focus distance Exit pupil: 4.2mm Eye Relief: 14mm