Non-slip rubber armor  -  Protects binoculars from impact and provides sure grip in damp marine environments.
PermaFocus Technology - Keeps distant objects permanently in focus, eliminating the need for constant adjustment.
Nitrogen Purged Fog-Proofing - Nitrogen inside the scope ensures interior optical surfaces won't fog due to humidity or rapid temperature change.
Multi Coated Optics - Multiple layers of coatings on all lens surfaces increase light transmission and image brightness.