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hunting scope reticle question

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: February/16/2009 at 17:35
coryk View Drop Down
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Optics GrassHopper


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Great site by the way.  I'm not a new member, but can't remember my sign in for the login and I've changed emails....so....

I'm looking for a new long range, simple, hunting scope.  Average shots will be 200-450 yards I'd say, and it's going on a Remington 7mm magnum.  I know my bullet drops and know how to compensate in my regular plex reticle, but I'd like to take it one step further.

I'm looking at the Leupold vxiii 4.5-14x40 with the B&C reticle, or possibly considering the Swarovski 3-10 with the TDS reticle.  I'm not crazy about custom turrents as I don't want to have to tinker with them when the moment of truth happens.  Any thoughts on this would be appreciated!

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: February/16/2009 at 23:36
Urimaginaryfrnd View Drop Down
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I'll be glad to go over the difference with you.  There is a reason that police and military snipers dial in correction if they have time to do so  -- it simply is the best way to correct for the drop of the bullet - trajectory and the deviation caused by wind blowing from the side which can carry the bullet quite a way off target at longer distances.  Many scope manufacturers have been building scopes with balistic reticles that have marks which hopefully correspond to where the bullet will hit at specific known distances usually 200yds,  300 yds, 400 yds and 500 yds. The problem with most of these  scopes is that the reticle is in the second focal plane which means that the reticle holds true at only the highest magnification of the scope.  A first focal plane reticle scope - when you turn the power from say 3.5 to 10  the reticle grows in size from small to larger.  While hold over marks on a FFP first focal plane reticle are always accurate on the second focal plane reticle the reticle appears to always stay the same size with power at lowest or highest power.  Obviously at lowest power you have a wider field of view.  Since balistic reticles are typically second focal plane scopes it is critical that the highest power of the scope be limited to lower powers rather than 14x to 20x if you are hunting in low light.  As the sun goes down one has to turn down the magnification of high power scopes to be able to brighten up the image.  A fixed 6x 42mm scope  (42mm divided by 6power = 7mm exit eye pupil)  If one had say a 3.5-10x 40mm scope  the 10x would give you a 4mm exit eye pupil and you could probably use the BDC in fairly low light.  If you had a 4.5-14x40mm scope the 14x would give you a 2.8mm and that would be really dark in low light and close to un-useable.  Irregardless you can take the 4.5-14x40 and dial it down to 6power and use the center crosshair at the distance the center is zeroed at and have maximum brightness. You can also guess hold over if you know the trajectory just like it was a duplex but your BDC marks will not be true like they would at the maximum power.  As long as you understand what you are getting using a 4.5-14 scope is fine and I feel that it has a lot of advantage in being able to more carefully evaluate a deer at several hundred yards to know if you wish to shoot that deer.  If for example you only had a doe tag and spikes count as antlerless it could be nice to know that the deer 250 yds out was really a 3point rather than a legal spike so magnification can be helpful.  A lot depends on how you hunt, if you use a stand or if you stalk game. Shots that must be made rapidly are best done with low power and an illuminated reticle is helpful.  Just for a bit of education I suggest you watch Trijicon's BAC demo to see  how one of their illuminated reticles can aid you.  Also I'm sure that someone will jump in fairly rapidly and tell you what wonderful glass Swarovski has and that is true but there are other factors at play also so make an educated decision based on how you hunt.
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