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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Leupold LR scope question
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<blockquote data-quote="bs911" data-source="post: 459118" data-attributes="member: 27179"><p>Affects POI. With an incorrect parallax setting if you set your rifle in a stationary rest and move your head around the eyepiece, you will see the reticle move along with your head. With a correct parallax the reticle will be completely stationary. At longer ranges, this deviation gets significant so that if your eye isn't 100% centered in the scope, your reticle is not going to be accurate.</p><p> </p><p>Incidentally... especially noticeable at higher magnifications ... an incorrect parallax setting ALSO causes the image to be slightly out of focus at different distances. So you can "almost" use it as a focus knob which will get you "close" to parallax free. But it is not a focus knob. The whole thing is exacerbated and complicated by some manufactures calling it a focus knob. I think if you use it as a focus knob you will be misleading yourself into thinking your parallax is properly dialed out just because your sight picture is clear enough.</p></blockquote><p></p>
[QUOTE="bs911, post: 459118, member: 27179"] Affects POI. With an incorrect parallax setting if you set your rifle in a stationary rest and move your head around the eyepiece, you will see the reticle move along with your head. With a correct parallax the reticle will be completely stationary. At longer ranges, this deviation gets significant so that if your eye isn't 100% centered in the scope, your reticle is not going to be accurate. Incidentally... especially noticeable at higher magnifications ... an incorrect parallax setting ALSO causes the image to be slightly out of focus at different distances. So you can "almost" use it as a focus knob which will get you "close" to parallax free. But it is not a focus knob. The whole thing is exacerbated and complicated by some manufactures calling it a focus knob. I think if you use it as a focus knob you will be misleading yourself into thinking your parallax is properly dialed out just because your sight picture is clear enough. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Leupold LR scope question
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