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Originally Posted by Tyrone
Originally Posted by jwp475
Let's say that you need 20 MOA adjustment at 1,000 yard which is 209.44" of vertical correction. If your scope adjusts in IPHYthwn you are only correcting for 200", a difference of 9.44 inches
What if you got your corrections in MILs and your scope is MRAD?

What if your scope is advertised as [something] but the thread pitch is off?

In all 3 cases, the solution is the same.


What is your solution for the POS scope



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Something to think about: With respect to movement of POI on the vertical plane of the target, does each successive milliradian of "up" produce the same vertical displacement increment?

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Originally Posted by jwp475
Originally Posted by Tyrone
Originally Posted by jwp475
Let's say that you need 20 MOA adjustment at 1,000 yard which is 209.44" of vertical correction. If your scope adjusts in IPHYthwn you are only correcting for 200", a difference of 9.44 inches
What if you got your corrections in MILs and your scope is MRAD?

What if your scope is advertised as [something] but the thread pitch is off?

In all 3 cases, the solution is the same.
What is your solution for the POS scope
Start crankin' elevation! smile
Record your zeros.
Update your calcs.
If you don't like it, get a new scope.


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Originally Posted by mathman
Something to think about: With respect to movement of POI on the vertical plane of the target, does each successive milliradian of "up" produce the same vertical displacement increment?

Depends right? With a quality scope - the crosshairs should have moved that 1 MRAD. Does the bullet actually go there? That's more a function of the quality of rifle/ammo/operator than if they were/were not using MRAD, MOA, IPHY etc - right?

You move the scope with the understanding, hope and assumption that "all else equal" - the bullet will land POA/POI with the adjustment. It's why people spend thousands on equipment, to remove as much variability out of that so if it DOESN'T move up the 1 mil requested - you have reason to believe it's you, not the Cricket you're shooting off the hood of a Chevette at 1000 yards.


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I'm not talking about equipment quality. My question is a mathematical one.

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Originally Posted by mathman
I'm not talking about equipment quality. My question is a mathematical one.
That's one reason why good equipment and DOPE is important. (Data Of Previous Engagements)


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Originally Posted by Tyrone
Originally Posted by mathman
I'm not talking about equipment quality. My question is a mathematical one.
That's one reason why good equipment and DOPE is important. (Data Of Previous Engagements)

That's not what I'm going for. Imagine the equipment is perfect.

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MRAD stands for Milliradian (abbreviation MIL) and represents 1⁄1000 of a radian. 0.1 MRAD/MIL is 1 cm at 100 m and is suitable for those using the metric system. If you take it exactly though, 0.1 MIL (NATO) is actually 0.98 MRAD. However, Schmidt & Bender uses MRAD as well as MIL for exactly 1 cm at 100 m

So about .358 at 💯 yards



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Originally Posted by mathman
Originally Posted by Tyrone
Originally Posted by mathman
I'm not talking about equipment quality. My question is a mathematical one.
That's one reason why good equipment and DOPE is important. (Data Of Previous Engagements)

That's not what I'm going for. Imagine the equipment is perfect.
OK. It should produce the same vertical displacement if your ammo and other equipment is capable of zero vertical dispersion and all else is equal.


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Well, it can't, mathematically speaking.

The math of the situation is the interval [0, π/2) is being mapped onto the interval [0, infinity), so there must be some uneven dilation.

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Don't be too hard on her,as she's simply a Lying Fhuqking Piece Of CLUELESS Schit. Hint.

Bless her poor poor(literally) heart.

Hint.

Fhuqking LAUGHING!..............


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Originally Posted by mathman
Well, it can't, mathematically speaking.

The math of the situation is the interval [0, π/2) is being mapped onto the interval [0, infinity), so there must be some uneven dilation.
I'm not following the formulas, so please let me know how far of base I am. You stated up and POI, so I want say each unit clicked for up would be less cause it's farther way.

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I'm addressing a mathematical subtlety, nothing to worry about in reasonable applications.

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Originally Posted by taylorce1
To me Mils are Mils, but trying to get others to grasp the concept seems difficult.

Wonder why. You just need a ruler (your reticle) with some built-in measurement system (any measurement system) and you'll be golden. The ballistics calculator speeds up the math, but you're still "doing" math...Elemental math.


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Originally Posted by centershot
What I don't understand is a MOA/MIL reticle and twisting turrets. If you twist turrets and hold on the middle, the the rest of the reticle (at least vertically) is not necessary. I can see one or the other being beneficial, but both is redundant.
Lol don’t say that. Most guys here don’t have the terrain or distance to even need it. Besides even if you’re hunting in the western mountains it’s more likely than not to not even need to dial. I have many rifles with turrets on them. Frankly I really only need 2 if I had to, One for my rock chuck rifle and the other for my big game rifle. On the rock chuck rifle I use it to about 500 yards and I hold for wind in chuck increments. Ie a chuck or chuck and a half wind hold etc. the big game rifle it’s likely to not even spin the turret and if I do for a long shot across a canyon it’s only 1 shot I hope

People act like all this whiz bang reticles are needed to take 1 shot. Talking about using the reticle as a ruler etc, lol. It’s like they never experienced recoil. You can tell very few actually shoot in the field and mostly range shoot. Simply because few have access to public lands.

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Wow.

Just dial the range. It's how the Big Boys play.



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Originally Posted by mathman
Something to think about: With respect to movement of POI on the vertical plane of the target, does each successive milliradian of "up" produce the same vertical displacement increment?
Originally Posted by mathman
I'm not talking about equipment quality. My question is a mathematical one.
Originally Posted by mathman
Well, it can't, mathematically speaking.

The math of the situation is the interval [0, π/2) is being mapped onto the interval [0, infinity), so there must be some uneven dilation.
Originally Posted by mathman
I'm addressing a mathematical subtlety, nothing to worry about in reasonable applications.


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The people wringing their hands over Trump's rhetoric don't know what time it is in America.
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Originally Posted by JohnBurns
Wow.

Just dial the range. It's how the Big Boys play.


Yep on public land too and not with first focal plane. While I don’t agree with burns on a lot. They at least know long range hunting in Wyoming. How do they make the shots without it being mil and first focal plane?

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Originally Posted by cumminscowboy
Originally Posted by JohnBurns
Wow.

Just dial the range. It's how the Big Boys play.


Yep on public land too and not with first focal plane. While I don’t agree with burns on a lot. They at least know long range hunting in Wyoming. How do they make the shots without it being mil and first focal plane?

I've got just two questions.........

Is Burns a cowboy?

And.......are you Cummins in him?

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