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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
MOA reticle versus Mildot...
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<blockquote data-quote="Eaglet" data-source="post: 95849" data-attributes="member: 3756"><p>It's all very interesting. </p><p>Here is my 0.02 cents!</p><p></p><p>A radian is a measure of the central angel subtended by an arc equal in length to the radius of the circle.</p><p></p><p>The word "mil" as used in mil-dot, stands for milliradian which is simply a radian divided by 1000. It is a one thousandth of a radian.</p><p></p><p>We know that the angle sustained in an arc of equal length to the radius, will have an angle equal to one RADIAN which is equal to 57.295780º. So if I divide this value by 1000 would tell me that a milliradian = 0.0573295780º degrees.</p><p></p><p>Now if I take the number of inches in 100 yards, (100x3*x12) = 3600"</p><p>3600 X Tangent of (0.0573295780º) = 3.6 inches. This is the distance of one mil-dot at 100 yards. This value, 3.6" is not along the arc, it is the vertical distance.</p><p></p><p>Based on this and my limited knowledge, I vote "yes" for the point the greeen man is trying to make. It sure makes a lot of sence to me. JMO /ubbthreads/images/graemlins/smile.gif</p></blockquote><p></p>
[QUOTE="Eaglet, post: 95849, member: 3756"] It’s all very interesting. Here is my 0.02 cents! A radian is a measure of the central angel subtended by an arc equal in length to the radius of the circle. The word “mil” as used in mil-dot, stands for milliradian which is simply a radian divided by 1000. It is a one thousandth of a radian. We know that the angle sustained in an arc of equal length to the radius, will have an angle equal to one RADIAN which is equal to 57.295780º. So if I divide this value by 1000 would tell me that a milliradian = 0.0573295780º degrees. Now if I take the number of inches in 100 yards, (100x3*x12) = 3600” 3600 X Tangent of (0.0573295780º) = 3.6 inches. This is the distance of one mil-dot at 100 yards. This value, 3.6” is not along the arc, it is the vertical distance. Based on this and my limited knowledge, I vote "yes" for the point the greeen man is trying to make. It sure makes a lot of sence to me. JMO [img]/ubbthreads/images/graemlins/smile.gif[/img] [/QUOTE]
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