The steiner m1580 is for visual efficiency, extended-viewing comfort and object detail.The massive 80mm objective lenses and unmatched steiner quality deliver far superior low-light performance and image acuity for artillery teams, seal missions, surveillance missions, air traffic controllers, forest fighters and naval patrols.Integrates a large hd stabilized compass for accurate bearings, fluid damped to eliminate degree variance while underway in a vehicle or ship.Features a versatile ranging reticle found on all "r" models that be used to judge both the height and distance to a target.Floating prism system uses flexible silicone lens mount to absorb severe shock, impact and abuse without damage, multi-coated optics are state-of-art for brighter picture, higher contrast and sharply contoured images with natural color definition, sports-auto focus system lets you focus each eyepiece to your vision once, then keeps images razor sharp from 20 yards to infinity, n2 injection system seals 14-psi pressurized dry nitrogen into the optic, for fogproof clarity in any condition from artic cold to desert heat, 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 and waterproof to 16 feet pressurized nitrogen filled tubes resist water intrusion even when submerged.Includes tripod mount, neck strap, objective cover and rain protection cap.

Magnification: 15x
Objective: 80mm
Field Of View: 195 ft @ 1,000 yds
Exit Pupil Diameter: 5.30mm
Weight: 68.10 oz
Finish: Green
Focus Type: Sports-Auto Focus
Optic Coating: Multi-Coated
Proofs: Fog/Waterproof