Assessments - 4, GPA: 4.3 ( )

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Turn the windage adjustment to the point that it stops moving. 2. Counting the clicks or hash marks, turn it all the way in the other direction. 3. Turn the dial back half the amount of clicks or hash marks counted. 4. Repeat this process for the elevation adjustment. Variable Power Scopes What You Should Know About Variable Power Scopes Leupold variable power scopes allow you to select from a range of magnifications to suit your particular rifle, cartridge, and shooting needs. WARNING: Do not loosen the screw in the power selector ring. Doing so will release the internal gas that keeps the scope fog free. Loosening the screw will also disconnect a pin that controls the internal operations, causing other problems that would require factory repairs. Do not lubricate the power selector ring; doing so is unnecessary. All variable power scopes have a power selector ring in front of the eyepiece assembly. Turn the ring to align the number indicating the desired magnification with the indicator on the body of the scope. VX-7 BALLISTICS INDICATOR RING Certain ballistics-compensation reticles such as the Boone and Crockett, and Varmint Hunter’s reticle may require tuning to achieve maximum precision with multiple loads. The VX-7 ballistics indicator ring allows you to manually set a reference point for your current trajectory. Once the proper magnification setting has been determined (see Ballistics Aiming System instruction supplement), the ballistics indicator ring can be aligned with the witness mark on the eyepiece, allowing fast and accurate return to this setting in the field. Range estimating with VX-3 scopes Selected VX-3 scopes have a built-in range estimator. This system uses the Duplex® portion of the reticle in combination with an additional set of numbers on the power selector ring. (Also see the Leupold Range Estimating Reticle Instructions for other reticle types.) In scopes with this feature the space between the tip of the thicker post of the Duplex reticle and the center of the reticle covers 16 inches at 200 yards (the size of a Whitetail buck from backbone to brisket). NOTE: The Duplex reticle was designed to estimate ranges based on the backbone to brisket dimension of a Whitetail buck. The distance of other game with a body dimension that is known to be 16 inches (or 32 inches if the measurement is taken from post to post instead of post to crosshair) may certainly be estimated. It is necessary to know the approximate physical size of your target whenever you estimate range. Range Power Figure C On scopes with this feature, the numbers facing forward show the scope’s magnification settings. The numbers facing the back are for ranging and show the distances in yards, as shown in Figure C. To estimate range, follow these steps: 1. View the target through the scope. 2. When targeting an animal with a body that is 16 inches from backbone to brisket, adjust the power selector until that area of the animal’s body fits between the center of the crosshair and the top of the lower heavy post. 3. Read the number on the power selector ring to determine the approximate distance in yards. Bracket the animal from backbone to brisket. Understanding parallax Parallax is the apparent movement of the target relative to the reticle when you move your eye away from the center point of the eyepiece. It occurs when the image of the target does not fall on the same optical plane as the reticle. This can cause a small shift in the point of aim. Maximum parallax occurs when your eye is at the very edge of the exit pupil. (Even in this unlikely event, our 4x hunting scope focused for 150 yards has a maximum error of only 8/10ths of an inch at 500 yards.) At short distances, the parallax effect does not affect accuracy. (Using the same 4x scope at 100 yards, the maximum error is less than 2/10ths of an inch.) It is also good to remember that, as long as you are sighting straight through the middle of the scope, or close to it, parallax will have virtually no effect on accuracy in a hunting situation. About fixed parallax distance scopes Any fixed focus optical system can be adjusted to be parallax free at only one distance. Most Leupold scopes are adjusted at the factory to be parallax free at 150 yards. However, there are exceptions: 1. Leupold rimfire scopes are set to be parallax free at 60 yards. 2. Leupold shotgun/muzzleloader scopes are set to be parallax free at 75 yards. 3. Leupold Handgun and Ultralight 2.5x scopes are set to be parallax free at 100 yards. The advantage of adjustable parallax setting scopes Target shooting and varmint hunting demand extreme accuracy. You must have a scope with a parallax adjustment dial for precise shooting at various ranges. The parallax adjustment can be located either at the objective end of the scope or on the side of the adjustment turret housing. The adjustment moves a lens within the scope causing the target image and the reticle to fall on the same optical plane. This e...

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