Steiner 10x 42mm 2444 Predator Binocularbr CAT Color Adjusted Transmission amplifies contrast in the peak human vision sensitivity range to spot game in any environment br Optimized Light Transmission with latest generation advances in low light performance and brighter images and up to 3-4 better light transmission br Lightweight Roof Prism Design has less bulk to fit in your pack and stay out of the way while hunting br Fast-Close-Focus central focusing wheel requires minimal rotation for quick absolute sharpness from close up to infinity br Makrolon housing is durable polycarbonate with NBR Long Life rubber armoring creating a lightweight rugged chassis that withstands 11 Gs of impact