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# MOA reticle versus Mildot...

#15
01-21-2006, 02:45 PM
 Platinum Member Join Date: Feb 2005 Location: Nevada Posts: 2,782
Re: MOA reticle versus Mildot...

This is what I mean by exagerating 1 MOA (angular) projected to a vertical distance. 1 MOA = 1.047" @ 100 yards.

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#16
01-21-2006, 05:01 PM
 Gold Member Join Date: Feb 2005 Posts: 563
Re: MOA reticle versus Mildot...

Well, we can measure with just about anything--and I've done it. One of the first things I learn when I get a duplex scope is how much the fine part of the reticle subtends at 100 yards, and this allows me to know how much I'm subtending at other ranges.

But my original reason for posting regards the ease of ranging with the reticle.

The laser rangefinder is not always going to send back a number. The calculator may fail to work in heavy rain or extreme cold. If we're to be able to estimate range in such conditions (rare for some of us, perhaps not so rare for others) we need a more "bullet-proof" method. I think the MOA reticle can be used to range with some simple math that most of us can do in our heads (and I mention the process in the original post).

Naturally the mil reticle will work--but you're not going to be nearly so likely to crunch that entire equation out in your head, and as mentioned, even if you do the liklihood of making a mistake is going to be at least twice that of the MOA reticle.

Dan
#17
01-22-2006, 07:46 AM
 Gold Member Join Date: Mar 2004 Location: Germany Posts: 658
Re: MOA reticle versus Mildot...

Danm you got it the wrong way round mate, the beauty of the miliradian, adjustment in .1 mils and the mildot type reticles is that its all in 1's and 10's its the simplest math calculation you can do,
farting about with 1/3, 3/4, inches, yards 12s 36s or whatever is a pain in the butt.
Pete
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#18
01-22-2006, 08:57 AM
 Gold Member Join Date: Feb 2005 Posts: 563
Re: MOA reticle versus Mildot...

Pete,

The problem comes when one must impute the size of the target. Over here, we all go by inches. But I'll grant you that if one knows the target size in centimeters, your system can work well.

Let's say you're looking at a 42cm target.

First of all, you'd have to be able to determine whether you're at .3 mils, .6 or .7 mils, etc., on the reticle. Let's assume you get that part perfect: The target is .6 mils in height.

Since it's a 42cm target, you'll be doing this:

Height of item in meters x 1000/Mils read = Distance to item in meters

This target is 42cm, so it'll be .42 meters. Okay.

is
420/.6 = distance to target in meters (which is 700 in this case).

So I'll go along with you if we're doing everything by the metric system.

Over here, however, we've grown up using our own crotchety old system of measure. We'd end up having to convert inches to metric if we were to make good use of the mil reticle, which would defeat our purpose.

Too, with MOA graduated turrets, we'd lose the compatibility of the reticle and turrets. I know that the scopes made over your way will have mil graduated turrets, which is good if your reticle is a mildot.

I would not argue that for a "metric minded" person the mil reticle will work--although I would effectively argue that a mil reticle such as the Leupold TMR or the Premier Gen II will be the best choice for ranging, since they have hash marks which disect the mils...

Dan
#19
01-22-2006, 09:31 AM
 Silver Member Join Date: Oct 2004 Location: Cz Posts: 235
Re: MOA reticle versus Mildot...

Seems like a storm in a tea cup to me.

mil turret adjustments better off with mil reticle

moa turret adjustments better off with moa reticle. The next problem is there is smoa (shooters minute of angle 1" @100 yards) or tmoa (true minute of angle 1.0472" @ 100 yards)reticles seem to be made for both. On top of that how many of the scopes marked 1/4 moa are really that.

Guess I am lucky (for once) to live in metric land.

David.
#20
01-22-2006, 10:06 AM
 Gold Member Join Date: Feb 2003 Location: Texas Posts: 723
Re: MOA reticle versus Mildot...

OK, I'll bite. I think the whole point of this is why don't we all buy scopes with MOA reticles and MOA turrets.

So who makes one of these? I have never seen one and I have done tons of web surfing for scopes and reticles over the years ....

Someone post a link to this scope ...
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#21
01-22-2006, 10:31 AM
 Gold Member Join Date: Feb 2005 Posts: 563
Re: MOA reticle versus Mildot...

"Guess I am lucky (for once) to live in metric land."

It is a better system, no question about it. I think we Americans are stubborn and we don't want to change.

When the metric system is the basis for reticle ranging, the system of reticle measure is largely immaterial; the mildot or the MOA reticle would work equally well using metric calculations--you'd just have to use different equations.

But for us "inch-meisters" I maintain that the math is easier to do in one's head with the MOA reticle--as I've outlined here already. I believe the reason for this resides in the fact that MOA's are "inch friendly." Yes, a true MOA is more precisely 1.047 inches, but that amounts to less than 1/2" at 1000 yards. I can live with that kind of error... [img]/ubbthreads/images/graemlins/wink.gif[/img]

So, if we say that "A minute of angle is about 1 inch at 100 yards, two inches at 200, 3 at 300... and 10 at 1000 yards," we can get away with this for purposes of ranging and hold-off. There is more error inherent in the load recipe and rifle and shooter and environmental factors than you're going to find in the 1 inch MOA versus 1.047 inch MOA.

Dan

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