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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Favorite anti-cant level
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<blockquote data-quote="Hugnot" data-source="post: 2801153" data-attributes="member: 115658"><p>I mount my level near the front left side of the scope & view it with left eye just before breaking the shot. Each to their own, getting the bubble at some distance from the eye makes it easier to view for me. The bubble then becomes a semi-permanent scope fixture being lined up with the reticle. I have a low-price Vortex bubble level and see no need to upgrade. I lapped the inside bubble ring. I also have a flip up bubble level as shown.</p><p></p><p>Bloopy high trajectory cartridges & high mounted scopes exasperate the cant error. I will make up an excel spread sheet to determine cant error. I use the Hornady ballistic calculator both 4DOF & G1 BC to determine mid-range trajectory heights then multiply that by 4. A 3 degree cant can make for a close to 2 foot windage (left-right) error at 1000 depending on ballistics. Looking at this stuff justifies a bubble level. The very best would be to have an internal level device (inside scope) so reticle & any cant could be easily viewed. Looking at the bubble with my left eye & reticle with my right eye might make me cross eyed or mess up my brain internals.</p><p></p><p>The bubble thingy helps when shooting at targets having out of plumb hangers or targets near tilted T bar (like 3 degree) fence posts.</p></blockquote><p></p>
[QUOTE="Hugnot, post: 2801153, member: 115658"] I mount my level near the front left side of the scope & view it with left eye just before breaking the shot. Each to their own, getting the bubble at some distance from the eye makes it easier to view for me. The bubble then becomes a semi-permanent scope fixture being lined up with the reticle. I have a low-price Vortex bubble level and see no need to upgrade. I lapped the inside bubble ring. I also have a flip up bubble level as shown. Bloopy high trajectory cartridges & high mounted scopes exasperate the cant error. I will make up an excel spread sheet to determine cant error. I use the Hornady ballistic calculator both 4DOF & G1 BC to determine mid-range trajectory heights then multiply that by 4. A 3 degree cant can make for a close to 2 foot windage (left-right) error at 1000 depending on ballistics. Looking at this stuff justifies a bubble level. The very best would be to have an internal level device (inside scope) so reticle & any cant could be easily viewed. Looking at the bubble with my left eye & reticle with my right eye might make me cross eyed or mess up my brain internals. The bubble thingy helps when shooting at targets having out of plumb hangers or targets near tilted T bar (like 3 degree) fence posts. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Favorite anti-cant level
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