6/25-56 Aircraft Aluminum Crusader Gunsight Specifications:

• Magnification/Zoom Range: 6-25 power
• Primary Objective Diameter: 56mm
• Ocular Lens Diameter):35mm
• Field of View: 18.6-4.9
• Exit Pupil Diameter:9.2-2.4mm
• Weight: 2 lbs. 2.6 oz.
• Total Optical Lenses:12
• Lens Construction:Proprietary-Hi Flourite Leaded 99.997 % Pure Optical Glass, -230-+485°F degree stable Bertrillium-Zantitium™ multicoated optics on both primary, secondary and interior lens groups.
• Mounting Length:2.75-7"
• Focusing Mechanism:SideFocus, Tortional Friction lock, indexed for distance, left hand side
• Eye Relief: 4.21-3.31"
• Water/Vapor proofing & Decontamination Standard: Internally pressurized, Viton Sealed, MilSpec Immersion Tested, Autoclavable Decon OK
• Reticle: 2nd Gen Mil-Dot, FFP/1st
• Tube Diameter:30mm/1.18"
• Ocular Tube Diameter(mm): 44mm
• Metal Finish: MilSpec Covert Ano Blk Matte Hardcoat
• Diopter Range of Adjustment: ~3 - +2
• Windage Range: ±25
• Elevation Range: ±25
• Click Value: 0.125"
• Length Overall: 15.9"
• Structure: Forged T6160 Aircraft Aluminum Alloy Covert Black Anodized Body 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
• AntiScratch 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 Anti-Static IonCharge
• Illuminated Retical: Tri-Color Red, Green, Black Variable Intensity