Nikon Binoculars 7X50CF WP GLOBAL COMPASS Roof Prism Type 7x 50 Caliber 7X50GC

Magnification: 7x Objective lens effective diameter: 50mm Brightness: 50.4 Eye relief: 22.7mm Shortest focusing distance: 10.0m Interpupillary distance adjustment range: 56-72mm Waterproof performance: Waterproof design that can withstand being submerged in 1 meter of water for 5 minutes (not for underwater use).