Steiner 2640 M830R 8X30mm Mil Radian Ranging Reticle Black Rubber Armor Steiner's Military Series 8X30 Is The Standard Binocular Of Many armies In The World. The Military Series Binoculars Are Built To Stringent Military specifications, ruggedly Designed For The fiercest conflicts And toughest environments. Light And Easy To Handle, With High Definition lenses For Bright images And a Wide Field Of View For Steady Viewing, Even On Moving vehicles. Includes The Precision Mil Radian Ranging Reticle. Features a floating Prism System, Compact Design shifts The Center Of Gravity Into The palms For Comfortable, Long-Time Observation, Sports-Auto Focus System, Makrolon Housing Is Durable Polycarbonate With NBR Long Life Rubber armoring, creating a Lightweight, Rugged Chassis That withstands 11 Gs Of Impact, Makrolon Housing And N2 Injection System Seals 14-Psi Pressurized Dry Nitrogen Into The Optic, For Fog Proof Clarity In Any Condition From artic Cold To Desert Heat. Magnification: 8X Objective: 30mm Field Of View: 392 ft @ 1,000 yds Exit Pupil Diameter: 3.80mm Short Focus: 66 ft Prism Type: Floating Weight: 18.70 Oz Finish: Black Rubber Armor Focus Type: Sports-Auto Focus Optic Coating: Multi-Coated Proofs: Fog/Water/Weather Proof