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Thread: "recce" vs "afghan" definitions etc- need a spot of help

  1. #11
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    Quote Originally Posted by hearno View Post
    Are the scopes backwards?
    No.
    :sigh:
    I'm going to go bang my head against the wall now...
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  2. #12
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    Quote Originally Posted by hearno View Post
    Are the scopes backwards?
    No, the same scope.

    Fixed 2X power Leupold scope. Mounted in a ADM Recon mount.

  3. #13
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    Quote Originally Posted by kaltesherz View Post
    No.
    :sigh:
    I'm going to go bang my head against the wall now...
    I hope it hurts. Instead of being a dick, point me in a direction I can learn something. Is the rear bigger for more relief?
    Last edited by hearno; 03-26-11 at 00:31.

  4. #14
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    Quote Originally Posted by hearno View Post
    I hope it hurts. Instead of being a dick, point me in a direction I can learn something. Is the rear bigger for more relief?
    The scope looks a little different because it is a one inch tube model with a 20mm objective/ aperture lense.

    It is a light-weight fixed model and does have a great deal of eye relief. Over 4 inches of eye relief, more than any of their other models, except for the Scout model.

    Links with specs./ more information:

    http://swfa.com/Leupold-25x20-FX-II-...ope-P3263.aspx

    http://www.leupold.com/hunting-and-s...mm-ultralight/

    If you have anymore questions feel free to send me a PM.

    SkiDevil

  5. #15
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    ^ Thanks bro. Obviously traditional scope design has the bigger lens up front. I'm sure I'm not the first person confused by this. It still looks weird.

  6. #16
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    Quote Originally Posted by hearno View Post
    I hope it hurts. Instead of being a dick, point me in a direction I can learn something. Is the rear bigger for more relief?
    Dick, no. Unhelpful, yes.

    Glad someone else filled you in, sorry about my previous post, just had a little overload and had to vent.
    PRAISE THE FALLEN
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    1Lt Nick Dewhirst KIA 20-July-08
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    PFC Jason Watson KIA 10-Feb-09

  7. #17
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    You will see larger objective lenses on scopes with more magnification. It's to let in more light. Scopes don't gather light, they simply take the light that it catches, focuses it and passes it through.

    About scope objective lenses
    http://www.rifle-scope-guide.com/obj...lens-diameter/

    About binocular objective lenses
    http://www.eagleoptics.com/articles/...jective-lenses

    Otherwise, the picture you see will be dim. The larger rear lens is to allow for a larger exit pupil; that is a larger diameter for the picture to come through to your eye. The larger the exit pupil, the more light that will hit your eye. Too large and it's wasted. Too small and the picture is dim

    Here's a link about the exit pupil of binoculars
    http://www.eagleoptics.com/articles/...ide/exit-pupil

    Here's a link about the advantages of a large exit pupil of a scope
    http://www.shootingtimes.com/optics/opticpupil_061907/

    Another section that plays a role in the brightness of a rifle scope is the erector set which contains the reticle and is adjusted by the windage and elevation knobs. A larger diameter erector will pass more light.

    Don't believe the hype about 30mm tubes being brighter than 1 inch tubes. While the 30mm tube is larger, the erector set is often the same as those found in 1 inch tubes. The difference is that the extra space is used to gain a greater range of adjustment. If the erector set diameter were increased, more light will pass but adjustment will be less
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  8. #18
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    thanks for the threads, guys. good info.

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