Leupold 119196 BX-2 Acadia Roof Binoculars, Mossy Oak Infinity, 12 x 50 Phase coated prisms provide enhanced color rendition and contrast BAK 4 Phase-Corrected Roof Prisms 12x magnification, 50mm diameter objective Center Focus Wheel and Locking Diopter, Anti-Reflection fully multicoated with Leopold's proprietary Mulicoat 4 4.2mm exit pupil with 15.5mm long eye relief, 60 wide angle Apparent Field of View