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Nightforce ATACR Scope Review
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<blockquote data-quote="Greyfox" data-source="post: 845686" data-attributes="member: 10291"><p>There are different calculation approaches used to determine use of Mildots but I'll take a crack at this using the methodology that I use to compare the two. Anymore, I use my rangefinder most of the time, but still keep my reticle ranging system as a back up.</p><p>Just like with Mildots, if you know the size of the target, you establish a range that your known target size is equal to 1 mil. At 1000 yards 1 mil is equal to 36". Therefore a 72" man would be 2000 yards when sized to 1 Mil. To get your range you would divide 2000 yards by the mil measurement of the target. For example if you measured 4 mils, the target would be 500 yards away(2000/4mils). If the target measured .5 mils it would be 4000 yards away(2000/.5). for hunting purposes, using mils, a deer at 18" chest size would range 500 yards for 1 Mil. </p><p></p><p>Using MOA the process is the same but you are using 1" instead of 3.6" per division. That same 72" man would be at 7200 yards. If the measurement taken with a MOA reticle was 10MOA the target would be at 720 yards. The scaling for this size target is not practical in most of the scopes we use, but can be used for the game we hunt. An 18" chest for a deer would measure 1800 yards for 1 MOA(18"x1"x10). If the measurement taken was 4MOA the deer would be 450 yards(1800/4MOA) Once I determine the the the formulas at practical ranges I make a card with the MOA measurements and ranges for the various species of game. Using the conversion of 1 MOA = 1 inch, is close enough and usually within the ranging error in most practical situations. If high precision was required, 1MOA is actually equal to 1.047".</p></blockquote><p></p>
[QUOTE="Greyfox, post: 845686, member: 10291"] There are different calculation approaches used to determine use of Mildots but I'll take a crack at this using the methodology that I use to compare the two. Anymore, I use my rangefinder most of the time, but still keep my reticle ranging system as a back up. Just like with Mildots, if you know the size of the target, you establish a range that your known target size is equal to 1 mil. At 1000 yards 1 mil is equal to 36". Therefore a 72" man would be 2000 yards when sized to 1 Mil. To get your range you would divide 2000 yards by the mil measurement of the target. For example if you measured 4 mils, the target would be 500 yards away(2000/4mils). If the target measured .5 mils it would be 4000 yards away(2000/.5). for hunting purposes, using mils, a deer at 18" chest size would range 500 yards for 1 Mil. Using MOA the process is the same but you are using 1" instead of 3.6" per division. That same 72" man would be at 7200 yards. If the measurement taken with a MOA reticle was 10MOA the target would be at 720 yards. The scaling for this size target is not practical in most of the scopes we use, but can be used for the game we hunt. An 18" chest for a deer would measure 1800 yards for 1 MOA(18"x1"x10). If the measurement taken was 4MOA the deer would be 450 yards(1800/4MOA) Once I determine the the the formulas at practical ranges I make a card with the MOA measurements and ranges for the various species of game. Using the conversion of 1 MOA = 1 inch, is close enough and usually within the ranging error in most practical situations. If high precision was required, 1MOA is actually equal to 1.047". [/QUOTE]
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