Konus Konusrex Binoculars
Konus' top of the line Konusrex binoculars are open bridge roof prism models available in 8x42, 10x42, 10x50, and 12x50. These binoculars are fully multi-coated, waterproof and nitrogen purged, and feature silver-coated BaK-4 roof prisms for improved light transmission. They are ultra-light with the 42mm models weighing less than 20 oz.