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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
POI dramatically changes with scope magnification changes
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<blockquote data-quote="bruce_ventura" data-source="post: 789884" data-attributes="member: 34084"><p>Westcliffe01 is on the right track, but I recommend not doing anything to diagnose your rifle using this particular scope. The scope obviously has a de-centered lens in the erector. The rifle may actually be ok. </p><p></p><p>When you get the replacement scope, I recommend finding the optical center using the mirror method. Optically centering the crosshair, will allow you to use scope to check boresight alignment between the rifle bore and scope tube axis. The mechanical center is often not the same as the optical center on low cost scopes. That's because the crosshair sometimes stops moving before the turret reaches the end of its travel.</p></blockquote><p></p>
[QUOTE="bruce_ventura, post: 789884, member: 34084"] Westcliffe01 is on the right track, but I recommend not doing anything to diagnose your rifle using this particular scope. The scope obviously has a de-centered lens in the erector. The rifle may actually be ok. When you get the replacement scope, I recommend finding the optical center using the mirror method. Optically centering the crosshair, will allow you to use scope to check boresight alignment between the rifle bore and scope tube axis. The mechanical center is often not the same as the optical center on low cost scopes. That's because the crosshair sometimes stops moving before the turret reaches the end of its travel. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
POI dramatically changes with scope magnification changes
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