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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Scope failed tall target test....🤬
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<blockquote data-quote="SMK1000plus" data-source="post: 1927206" data-attributes="member: 93846"><p>Bob is correct, if your scope is nearly bottomed-out of elevation adjustment, it could be the inner scope tube has tension on it from touching the external scope tube (body) that relaxes as you adjust the elevation up enough to clear the side pressure. That would explain the sudden shift in windage POI that then POI remains constant the rest of the travel up.</p><p></p><p>Great point Bob!</p><p></p><p>I usually pick my scope base off the formula:</p><p>Scope base cant equals 1/2 the actual total elevation adjustment of the scope, minus 10 MOA.</p><p></p><p> ie: a scope with 80 MOA or 24 MILs elevation adjustment would use 80 MOA ÷ 2 = 40 MOA, then subtract 10 MOA = a needed scope base with a maximum of 30 MOA. That leaves plent of windage adjustment when the scope is set to zero at 100.</p></blockquote><p></p>
[QUOTE="SMK1000plus, post: 1927206, member: 93846"] Bob is correct, if your scope is nearly bottomed-out of elevation adjustment, it could be the inner scope tube has tension on it from touching the external scope tube (body) that relaxes as you adjust the elevation up enough to clear the side pressure. That would explain the sudden shift in windage POI that then POI remains constant the rest of the travel up. Great point Bob! I usually pick my scope base off the formula: Scope base cant equals 1/2 the actual total elevation adjustment of the scope, minus 10 MOA. ie: a scope with 80 MOA or 24 MILs elevation adjustment would use 80 MOA ÷ 2 = 40 MOA, then subtract 10 MOA = a needed scope base with a maximum of 30 MOA. That leaves plent of windage adjustment when the scope is set to zero at 100. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Scope failed tall target test....🤬
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