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Thread: Help with Zeiss BIS and .243 win Federal Powershok 100g

  1. #1

    Help with Zeiss BIS and .243 win Federal Powershok 100g

    Hi folks,

    I'm thinking of buying a Zeiss range finder, as it happens it comes with a BIS system http://www.zeiss.de/c12567a80033f8e4...2573da003bb886 which I think is over the top but I will enjoy testing it out and it can only be a good thing for a novice like me.

    Can anyone tell me if any of the graphs here http://www.zeiss.de/C12567A800347580...ogramme_EN.pdf

    match up with the Fedral Powershok 100g that I usehttp://www.federalpremium.com/produc...ifle.aspx?id=8

    I've looked at them for so long my head is hurting.. and I'm still none the wiser.
    Thanks for any help

  2. #2
    I'm no expert, but looking at the tables and the information provided on the two sites I think the USo1 / Bullet drop table 4 is the closest match.

    YARDS...100 200 300 400 500
    Federal...1.6 -0- -7.5 -22.1 -45.4

    YARDS...100 200 300 400 500
    Zeiss......2,1 -0- -7,1 -20,7 -42

    Hope that helps.

    Jonathan

  3. #3
    One's metric and the other's imperial which doesn't help

    EU2 seems closest...

    From Federal website (coverted to mm):
    100yds = 0
    200yds = -83mm
    300yds = -315mm

    EU2 =
    100m = 0
    200m = -100mm
    300mm = -397mm

  4. #4
    thanks for the input fellas.

    After all that I think I am going to spend the extra and get a pair of Leica BRF Binos.

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