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Thread: Mils with moa reticle

  1. #1
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    Mils with moa reticle

    My Google fu is letting me down

    If you have a 10x max spf scope with an MOA reticle will the subtensions measure in MILs at some lessor power, if so what?

    Thanks

  2. #2
    By Popular Demand gimp's Avatar
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    2.7777777777777778

  3. #3
    By Popular Demand gimp's Avatar
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    Quote Originally Posted by gimp View Post
    2.7777777777777778
    Or more correctly 2.9086678301 but it's not exactly precision we're talking about here is it, what's a few decimals

  4. #4
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    That's a precise answer, thanks I think! So a sfp NF 2.5-10 in moa can be a mils scope too.

  5. #5
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    Obviously you'd measure it with the scope in question to get it as accurate as possible . . .

  6. #6
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    Had the same scope found it dialled very well under the cap and hash’s were bang on I think 1x .250moa click is 0.07 mil vs 1 mil click being 0.10 mill so you could probably work it out that way as well for full zoom with a sticker saying what each hash is in mil “check my math though running off a distant memory Of a passing conversation”

  7. #7
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    Again my decimals may be in the wrong place could be 0.70

  8. #8
    By Popular Demand gimp's Avatar
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    About 0.073 mil but again, who's counting

  9. #9
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    OK, so what's the math in your calc for the 2.9 anwer please, I know I should know this but my brain ain't working tonight!

  10. #10
    By Popular Demand gimp's Avatar
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    10x / 3.438


    1 mil is 3.438 MOA
    zimmer likes this.

  11. #11
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    I'm scratching my head, somewhere I have a conversion table that gives the crossover for a MOA scope to a MIL and vice versa. Can't put my fingers on it right at the moment but it won't be too hard to make it up in a spreadsheet. With the appropriate formula entered in it would do it for you and then you can fudge it (round up or down) for readability if you wanted.

    I think the one issue I noted with the conversion table is some scopes have a different thread pitch on the adjustment screws which means a different adjustment amount per full turn of dial - not really a major. I'll have a look for it later.

  12. #12
    By Popular Demand gimp's Avatar
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    Quote Originally Posted by gimp View Post
    10x / 3.438


    1 mil is 3.438 MOA
    As you decrease mag the relative size of your reticle marks increases, with sfp

    5x = 2moa
    3.33333x = 3moa
    2.9etcx = 3.438moa

    So at 2.9etc x, 1 "moa" actually is 1 mil

  13. #13
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    Quote Originally Posted by gimp View Post
    As you decrease mag the relative size of your reticle marks increases, with sfp

    5x = 2moa
    3.33333x = 3moa
    2.9etcx = 3.438moa

    So at 2.9etc x, 1 "moa" actually is 1 mil

    That’s handy so half zoom=double full zooms hash value? Iv got a 20x with moa reticle would be handy using it okay 10 if iv got that understanding right il put it to the test this weekend

  14. #14
    By Popular Demand gimp's Avatar
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    Yes. It's rarely practical in my view, I prefer not to have to think about it.
    Shamus_ likes this.

  15. #15
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    I've tried it in the past and it is impractical. However with a 3-10 where you simply turn it to low power (albeit with about 1/10 error if the scope magnifications are true) then maybe it usuable for @tikka 's method . . . Stacked tolerances might sink it and I'm to tired to analyze it just now. Thanks Gimp.

 

 

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