Counter Sniper Optics 1X4-24 Tactical Scope, Titanium Specification - Magnification/Zoom Range: 1-4 power - Primary Objective Diameter: 24mm - Ocular Lens Diameter: 35mm - Field of View: 95-24 - Exit Pupil Diameter: 16.5-6 - Total Optical Lenses: 11 - Lens Construction: Proprietary-Hi Flourite Leaded 99.997 % Pure Optical Glass with Aspheric Lamination, 230-+485 degree stable Bertrillium-Zantitium™ multicoated optics on both primary, secondary and interior lens groups, Night Vision Compatible - Mounting Length: 1.75-5" - Focusing Mechanism: Parralax Free through complete optical range-impact shift at <50% off eye axis less than 1/16th MOA - Eye Relief: 4.93"-3.52" - Water/Vapor proofing & Decontamination Standard: Internally pressurized, Viton Sealed, MilSpec Immersion Tested, Autoclavable Decon OK - Reticle: TDRM 2ND/RFP - Tube Diameter: 30mm/1.18" - Ocular Tube Diameter: 44mm - Metal Finish: MilSpec Covert Blk Ano Matte Hardcoat - Diopter Range of Adjustment: -3 - +2 - Windage Rrange: ±30 - Elevation Range: ±30 - Click Value: 0.25" - Length Overall: 10.1" - Structure: Forged & milled Titanium Space Alloy MilSpec Hard Ano 30mm Milled 1 pc SquareSaddle Tube - Fogproofing/VaporSealing: Proprietary rare earth/nitrogen/argon gas purged, hard earth sealed - Light Transmission MultiCoated: 24 step vacuum Bertrillium-Zantitium™ multicoating - AtiScratch Coatings: TitaniStar 68 Rockwell AntiScratch coating, both primary and ocular lenses - InfraRed band Filter Coating: InfraShield proprietary Daylight InfraRed spectrum blocker for rays 685nm and higher - Water/Vapor sheeting Coating: CSO HydroShear Moisture Displacement Coating - AntiStatic/DustDisplacement Treatment: CSO DustCaster IonCharge - Illuminated Retical: 4 Color Red, Green, Blue, Black Variable Intensity