Geovid 10x42 BRF-Y Laser Rangefinder Binoculars 8x56 BRF-Y Geovid Laser Rangefinder Binocular Extraordinary Brightness in Low Light Situations Increased Resolution & Contrast with 56mm Objective Lens Roof Prism w/P40 Phase Correction Coatings Highly Accurate Measuring Range of 10 to 1300 Yards