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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Need a little help with interpreting scope data
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<blockquote data-quote="paphil" data-source="post: 512685" data-attributes="member: 17745"><p>Dan, What you have is an internal scope problem. Not really a problem in your scope because the difference between your vertical reticle and the scope adjusting mechanism is so small. From what your picture shows, your adjuster in the scope leans slightly right. Many scopes have this problem, some lean or cant as much as 4 degrees, Yours looks to be about 1.5 degrees. I also once thought that rotating the scope in the rings would fix the problem ,but doing the same T test that you did proved me wrong. I found that the only way to correct was to use a scope level canted slightly in the opposite direction. The goal being to shoot with the adjusting mechanism perfectly vertical even though the reticle will be canted slightly left in your case. I go one step further and cant the scope (and adjusting mechanism) an additional 3 degrees left and install the scope level in level position to get the gun to shoot one minute left when turned up 22 MOA for 1000 yards on the T test. This eliminates spin drift from the equation, but you have to rely on the scope level every shot. I find that the only time I notice the reticle being out of square is when shooting targets that have been set with a level.</p></blockquote><p></p>
[QUOTE="paphil, post: 512685, member: 17745"] Dan, What you have is an internal scope problem. Not really a problem in your scope because the difference between your vertical reticle and the scope adjusting mechanism is so small. From what your picture shows, your adjuster in the scope leans slightly right. Many scopes have this problem, some lean or cant as much as 4 degrees, Yours looks to be about 1.5 degrees. I also once thought that rotating the scope in the rings would fix the problem ,but doing the same T test that you did proved me wrong. I found that the only way to correct was to use a scope level canted slightly in the opposite direction. The goal being to shoot with the adjusting mechanism perfectly vertical even though the reticle will be canted slightly left in your case. I go one step further and cant the scope (and adjusting mechanism) an additional 3 degrees left and install the scope level in level position to get the gun to shoot one minute left when turned up 22 MOA for 1000 yards on the T test. This eliminates spin drift from the equation, but you have to rely on the scope level every shot. I find that the only time I notice the reticle being out of square is when shooting targets that have been set with a level. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Need a little help with interpreting scope data
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