If you have ever used an old fashioned Volt ohm meter, you will notice that there is a mirror ring behind the needle. That is the point that there is no parallax problem. If you point your finger straight up in front of a mirror as you move your head side to side you will notice that there is only one place that you can not see your finger and the reflected image of you finger. For more information, please consult our list of "frequently asked questions" at Last edited by LHB1 Octoat 10:56 PM. (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 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. (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. Maximum parallax occurs when your eye is at the very edge of the exit pupil. It occurs when the target does not fall on the same optical plane as the reticle. It is the apparent movement of the target relative to the reticle when you move your eye away from the center point of the eyepiece. What is parallax? Parallax is essentially an optical illusion. Parallax has always been defined as the apparent movement of crosshairs on the target when the eye is moved away from center of scope light path. Suggest you check Leupold website or other source. NO disrespect but I think your definition of parallax is wrong. I have one scope with adjustable parallax setting for use on a bench rest rifle capable of five shot groups measuring. During the last 40 years, parallax has never caused me to miss a game animal or lose an offhand rifle shooting match. It's effects are grossly overblown IMO.Īll my hunting rifles wear Leupold 2x7 or 3x9 variables. Are you and your gun capable of less than 1 moa groupings IN FIELD CONDITIONS? No? Then buy a good hunting scope and forget about parallax. UNLESS YOU ARE A BENCH REST SHOOTER, YOU DON'T HAVE TO WORRY ABOUT PARALLAX ANYWAY!!! I would guess the MAX parallax error under 400 yds with any good hunting scope to be not more than 1 minute of angle (approx 1 inch per 100 yds). Before reaching scope shadow, if the target appears to move around the reticle you have parallax for that range and it should be adjusted.ĮTA: FordGuy, since you know about paralax, and understand it, you should know that your optic should be better than your rifle.IF you have your eye perfectly centered behind the scope there is NO PARALLAX PROBLEM AT ANY DISTANCE!!! The parallax problem occurs ONLY when your eye is off center AND you are shooting at a distance other than the distance for which the scope is focused (parallax free). Without disturbing the lay of the weapon/scope on the target, slightly move your head up/down and left/right or in circles behind the scope within the range of the exit pupil. Turn the power setting to the maximum magnification for optimal results. To check for parallax have the weapon in a steady rest and aim at the desired target downrange. If it is not, an improper sight picture cannot be obtained. It is very important that parallax be focused out of the scope. If the target appears to be moving or is out of focus, the scope needs to have the parallax adjusted. It is defined as the apparent movement of the reticle across the target when the position of the head is slightly moved. Parallax comes from the image of the target not being focused on the same plane as the reticle. In case you guys are wondering, this is the definition of paralax:
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