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Riflescopes with Horus reticules ?

 
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  #8  
Old 02-23-2012, 11:41 AM
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Join Date: Nov 2008
Location: Scotland
Posts: 96
Re: Riflescopes with Horus reticules ?

Ah,, just found it listed in Euro Optics. Ouch, more expensive than the S&B PMII Horus!
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  #9  
Old 02-23-2012, 12:53 PM
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Join Date: Oct 2007
Location: Patagonia Mountains, Arizona
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Re: Riflescopes with Horus reticules ?

Quote:
Originally Posted by ICANHITHIMMAN View Post
Can you explain what you ment by this?
The concept of the Horus reticle is that it calibrates the entire shooting space in angular mils with no need to to move the reticle relative to the rifle for any shot. You just change the point of aim on the reticle. That's what gives the Horus reticle's simultaneous simplicity, accuracy, and speed.

A "long range" Horus reticle like the H37 or H25 has about 40 Mils of vertical calibration. 40 mils is over two degrees. If you reduce the magnification until you can see the entire reticle in the field of view of the eyepiece the magnification will be under 8X and the calibrations on the reticle become difficult to read. It's not practical to increase the eyepiece field of view and maintain a useful eye relief. That's only a problem when the angular drop exceeds a degree ( 60 MOA). Shooting at a mile with heavy bullets as with a 338 Lapua or 50 BMG shows up the problem. Also shooting at moderate ranges with subsonic bullets will give large angular drops.

Admittedly that not a problem at typical hunting ranges under 1000 yards with high velocity bullets where drops rarely exceed 1/2 degree.

If the eyepiece on a scope with a Horus reticle were made movable in the vertical plane behind the reticle , the eyepiece could be left at any magnification while any part of the reticle could be viewed. For most shooting the only area of interest is within a few angular mils of the target and point of impact. Many scopes which have target knobs have a two degree range of reticle elevation adjustment, but they all move the reticle position relative to the rifle when the adjustments are made. That works if the reticle is just a crosshair and you carefully count turns and clicks, but not if the Horus reticle is to be used the way it's intended.

Last edited by LouBoyd; 02-23-2012 at 01:37 PM.
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  #10  
Old 02-23-2012, 02:14 PM
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Join Date: Feb 2011
Location: AZ
Posts: 185
Re: Riflescopes with Horus reticules ?

I have the H37 in an FFP Leupold MK4 and it can be used either way. If speed is required then you can use the reticle for adjustment but if I had time and was using a ballistic calculator or range sheet I would dial it in for the exact drop/dope. I guess it would really depend on the size and type if game as well.
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