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Zeiss ZRF Range finding Reticle

 
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  #1  
Old 06-25-2005, 12:49 AM
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Join Date: Dec 2004
Posts: 139
Zeiss ZRF Range finding Reticle

Hi All,

Does anybody have a zeiss scope with the "ZRF" Range Finding Reticle?
And can anybody explain how you determine ranges with it. What is the basic principle. How would you range a deer or elk with it?

Also if you do have one, can you please tell me how functional it is and wether or not you would prefer a different reticle after using it.

Thanks in advance,
Vic
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  #2  
Old 06-26-2005, 08:54 PM
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Join Date: Feb 2003
Location: Pueblo, CO
Posts: 1,175
Re: Zeiss ZRF Range finding Reticle

It appears to be simply a ranging reticle system with a series of hashmarks that r supposed to range a 50cm. target @100, 200, 300, etc.- 600 meters. It is a series of lines in the right lower quadrant of the reticle, and u're supposed to bracket the 50 cm. tgt. (deer, i guess) between x-hair and each line, and simply read off the # of each line which is supposed to be multipied by 100, and that's the range. Nice for 50 cm. tgts. but for anything else u would need to recalibrate it once subtensions are known. Now, what u can do is simply apply a modified mil-ranging formula to use it (or any other reticle for that matter to range any size tgt. with any reticle subtension once the subtension is known)-- here's a link to an article that describes the "modified mil-ranging formula" or better yet let's just call it the "stadia-ranging formula" since it's not specific to the mil-dot.

www.ottllc.com/specialtypistols/sp20.pdf Part C) Reticle Rangefinding, Sections 1 and 2

Although the ZRF is nice, i prefer a reticle that provides downrange reticle zeroing, and windage reference as well. The ZRF could be adapted for both, but it would be difficult.
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Old 06-27-2005, 06:53 AM
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Join Date: Jun 2001
Location: Potomac River
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Re: Zeiss ZRF Range finding Reticle

I looked over the article and it really covers a lot of the ground that gets asked about frequently on this forum. Nice work!
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  #4  
Old 06-27-2005, 07:47 PM
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Join Date: Feb 2003
Location: Pueblo, CO
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Re: Zeiss ZRF Range finding Reticle

THks. Bob-- there r a couple mistakes here and there that i'm gonna try and fix, but the concepts r sound,from my experience.
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