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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Point of impact change while changing power on VXIII LRT?
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<blockquote data-quote="Chrismadrid" data-source="post: 134559" data-attributes="member: 4416"><p>[ QUOTE ]</p><p>Hello... The reticle is NOT located in the "erector tube" - if it was, you could NOT adjust the elevation and windage. Also, the reticle MUST be located in one of the image planes, and there is NO image plane in the erector cell.</p><p></p><p>[/ QUOTE ]</p><p></p><p>It's perfectly feasible for an image plane to be in the erector tube as opposed to the erector cell - most modern FFP scopes are proof of that.</p><p></p><p>A SFP reticle COULD be also in the erector tube, but it's technically easier to mount rectilinearly with the outer tube.</p><p></p><p>POI shift with SFP zooms is pretty commonplace - though not normally in mid/high optics. It gets more visible the further you adjust off optical axis. </p><p></p><p>I'd send back as as unacceptable.</p><p></p><p>Oh - And I have to agree with Brown Dogs closing statement. /ubbthreads/images/graemlins/grin.gif</p></blockquote><p></p>
[QUOTE="Chrismadrid, post: 134559, member: 4416"] [ QUOTE ] Hello... The reticle is NOT located in the "erector tube" - if it was, you could NOT adjust the elevation and windage. Also, the reticle MUST be located in one of the image planes, and there is NO image plane in the erector cell. [/ QUOTE ] It's perfectly feasible for an image plane to be in the erector tube as opposed to the erector cell - most modern FFP scopes are proof of that. A SFP reticle COULD be also in the erector tube, but it's technically easier to mount rectilinearly with the outer tube. POI shift with SFP zooms is pretty commonplace - though not normally in mid/high optics. It gets more visible the further you adjust off optical axis. I'd send back as as unacceptable. Oh - And I have to agree with Brown Dogs closing statement. [img]/ubbthreads/images/graemlins/grin.gif[/img] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Point of impact change while changing power on VXIII LRT?
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