Digital Worldwide Compass shows precise, easy-to-read bearings superimposed on the edge of the viewing image, plus a reticle for calculating distance to an object. Smart-Illumination display automatically adjusts to ambient light from day mode to night mode. Memory Diopter provides handy mechanism to store and indicate your personal diopter setting. Sports-Auto Focus™ System lets you focus each eyepiece to your vision once, then keeps images razor sharp from 20 yards to infinity. No more chasing focus on moving objects. 7x Magnification is the marine standard, with a wide, stable image for tracking other boats, buoys and bridge numbers even in rough water. Steiner Nano-Protection® hydrophobic molecular coating creates a lens surface so smooth water sheets off and dirt, dust, snow and fingerprints are repelled for easy cleaning and a clear view. Makrolon® housing is durable polycarbonate with NBR Long Life rubber armoring, creating a lightweight, rugged chassis that withstands 11 Gs of impact. Impervious to harsh conditions for generations of trusted use. N2 injection™ system seals 14-psi pressurized dry nitrogen into the optic, for fogproof clarity in any condition - from artic cold to desert heat. Diamond Marine™ Lens Coating 96% light transmission due to Steiner's unique maritime lens coating formula that reduces glare, increases clarity and maximizes optimal viewing in hazy light or after dark. Floating Neckstrap is comfortably padded and bright yellow. It features 3M reflective trim making it highly visible keeping your Commander afloat and easy to spot in case of accidental spills. ClicLoc® system attaches and releases neck strap or harness instantly with push button ease and designed so binoculars hang straight and action-ready.