vortex viper pst 6-24x50 moa rifle scope manual - EuroOptic.com

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Riflescope AdjustmentsThe Vortex Viper PST RiflescopeFast FocusIllumination KnobEyepieceElevationMagViewAdjustment KnobSide ParallaxFocus KnobReticle FocusMagnificationAdjustment RingWindageAdjustment KnobReticle FocusVortex Viper PST riflescopes use a fast focus eyepiece designedto quickly and easilyadjust the focus on theriflescope’s reticle.To adjust the reticlefocus:1. Look through theriflescope at a blank whitewall or up at the sky.Adjust the reticle focus2. Turn the eyepiece focusknob in or out until the reticle image is as crisp as possible.Note: Try to make this particular adjustment quickly, as the eyewill try to compensate for an out-of-focus reticle.Zero ReferenceLinesRadius BarTurret CapRetaining ScrewsObjectiveLensIncludes a4-Inch SunshadeOnce this adjustment is complete, it will not be necessaryto re-focus every time you use the riflescope. However,because your eyesight may change over time, you shouldre-check this adjustment periodically.WarningLooking directly at the sun through a rifl escope, or any opticalinstrument, can cause severe and permanent damage to your eyesight.Dual Use: Shooting Tactical / Hunting2 3
Windage and Elevation AdjustmentsVortex Viper PST riflescopes incorporate precision fingerElevationadjustable elevation and windageKnobdials with audible clicks.To make adjustments:1. Turn the adjustment knob in theappropriate direction: Up/Downor Left/Right as indicated by thearrows.2. Move the knobs in the directionyou wish the bullet’s point-ofimpactto change.WindageKnobMOA or MRADDepending on which version you have purchased, your ViperPST riflescope will feature adjustments scaled in MOAs ormrads. If you are unsure of which scale is used, reference thetop of the adjustment turret.If the adjustment is in MOAs, If the adjustment is in mrads,the turret will displaythe turret will display“1 Click = ¼ MOA”.“1 click = .1 mrad”.Both minute-of-angle (MOA) and milliradian (mrad) unit ofarc scales are effective when using subtension measurements forranging and bullet trajectory drop compensation in reticles.MOA AdjustmentsMOA unit of arc measurements are based on degrees andminutes. There are 360 degrees in a circle, 60 minutes in adegree for a total of 21,600 minutes in a circle. A minute ofangle will subtend 1.05 inches at a distance of 100 yards. ViperPST second focal plane riflescopes (except PST 1–4x24) withMOA adjustments use 1/4-minute clicks which subtend .26inches at 100 yards, .52 inches at 200 yards, .78 inches at 300yards, etc.Example: With each click of the Viper PST moving the point-of-impact1/4 MOA, it will take four clicks of the knob to move a bullet’s point-ofimpact1.05 inches at a 100 yard sight-in distance.MRAD AdjustmentsMrad unit of arc measurements are based on the radian. Aradian is the angle subtended at the center of a circle by an arcthat is equal in length to the radius of the circle. There are6.283 radians in all circles and 1000 milliradian in a radianfor a total of 6283 milliradians (mrads) in a circle. An mradwill subtend 3.6 inches at a distance of 100 yards. Viper PSTsecond focal plane riflescopes (except PST 1–4x24) with mradadjustments use .1 mrad clicks which subtend .36 inches at100 yards, .72 inches at 200 yards (2 cm at 200 meters), 1.08inches at 300 yards (3 cm at 300 meters), etc.Example: With each click of the Viper PST moving the point-of-impact.1 mrad (.36 inches), four clicks will move the bullet’s point-of-impact1.44 inches at a 100 yard sight-in distance. At 100 meters, four clickswill move the point-of-impact four centimeters.4 5
Page 1: PRECISIONSHOOTINGTACTICALSECOND FOC
Page 5 and 6: Variable Power AdjustmentsTo change
Page 7 and 8: Riflescope MountingTo get the best
Page 9 and 10: Final Range Sight-In and CRS Stop S
Page 11 and 12: MaintenanceCleaningThe fully waterp

vortex viper pst 6-24x50 moa rifle scope manual - EuroOptic.com

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