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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Parallax vs Focus
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<blockquote data-quote="Chesapeake" data-source="post: 108728" data-attributes="member: 5873"><p>Maybe I am way off base but I think the confusion may be with how different scope models work.</p><p></p><p>Burris scopes (the ones I have seen) have the abillity to Focus just the reticle by turning the eyepiece cushion. This adjustment is seperate from the magnafication adjustment and Paralax(objective) adjustment.</p><p></p><p>I have not seen a Leupold with this feature but I'm sure they make them.</p><p></p><p>Scopes have a Paralax range(for lack of a better term). This is the range that the paralax is pre adjusted for. On pistol scopes this is commonly about 50 yards. Rifle scopes I think it is around 100 yards. Pistol scopes tend to have alot of Paralax (jumpy crosshair) at short ranges encounterd while testing scopes in stores at gun counters. I think this has to do with distance between lenses but not sure. At any rate this parallax makes little difference to short range pistol work.</p><p></p><p>Rifle scopes often have an adjustable objective so that the operator can adjust the paralax range for long range shooting where paralax can have an effect.</p></blockquote><p></p>
[QUOTE="Chesapeake, post: 108728, member: 5873"] Maybe I am way off base but I think the confusion may be with how different scope models work. Burris scopes (the ones I have seen) have the abillity to Focus just the reticle by turning the eyepiece cushion. This adjustment is seperate from the magnafication adjustment and Paralax(objective) adjustment. I have not seen a Leupold with this feature but I'm sure they make them. Scopes have a Paralax range(for lack of a better term). This is the range that the paralax is pre adjusted for. On pistol scopes this is commonly about 50 yards. Rifle scopes I think it is around 100 yards. Pistol scopes tend to have alot of Paralax (jumpy crosshair) at short ranges encounterd while testing scopes in stores at gun counters. I think this has to do with distance between lenses but not sure. At any rate this parallax makes little difference to short range pistol work. Rifle scopes often have an adjustable objective so that the operator can adjust the paralax range for long range shooting where paralax can have an effect. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Parallax vs Focus
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