Used in very good condition. Clear lenses, no dust no dirt inside binoculars. Prism are clear , collimation OK no double vision. Illuminated compass scaled in 360 degrees .( Needs watch battery ) Right side binoculars have rangefinder reticle used for range finder . ( Scaled in 5 mils - can be used to determine distance to known size objects ) Very nice marine / boat binoculars encased in plastic salt water resistant body .I believe it is dry nitrogen filled . Lightweight less than 1 kg . Individual eye focus adjusted like in all military binoculars.