DESC: Low light tracking? Not a problem with the light-grabbing 56mm objective lenses of the Geovid BRF 8x56! Look to this new class of Geovid rangefinding binoculars for high-performance optics in the real-world of hunters. The LED display automatically adjusts in brightness according to surrounding light conditions so you can read the ranges much easier. With these Leica rangefinding binoculars you'll see the world in full natural color as you mark your target's exact.