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Your pic isn't showing so I imagine that you just have a duplex reticle. It may be possible to range, but you would need the sub tensions on the optic and then it would take much more math than it normally does. In short it could be done, but wouldn't be worth the hassle. A mil or MOA reticle is much easier to use.
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A fine is a tax for doing wrong, a tax is a fine for doing well.
Proud Member Team Ranstad |
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Ok that's odd the link to the image worked when I previewed the post. The image that someone posted below is like mine but min doesn't have the horizontal hash marks it's just an old school cross hair. I was hoping some one would say. "Oh yea those are 60 MOA gaps" or something like that. But I agree, by the sounds of it it's more work than it's worth. Once I have the money for a good mil-dot scope It won't be a problem. Thanks!
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There is no standard for a duplex reticle. Save for a mil scope and it is easy.
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A fine is a tax for doing wrong, a tax is a fine for doing well.
Proud Member Team Ranstad |
You can measure the reticle on a known 100yd target (grid type would be best) and develop a formula based on that. Remember that it is probably a SFP scope, so the measurement will only be valid at the magnification you measured at.
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That makes sence, thank you all.
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I made a chart for my 3 x 9 duplex scope for reticle size vs power at various ranges. Its also handy to know what the effect on zero is if you use the duplex as a holdover.
Ranging with the duplex reticle is doable even if they are sfp. |
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Originally Posted By Pro_Patria_431:
You can measure the reticle on a known 100yd target (grid type would be best) and develop a formula based on that. Remember that it is probably a SFP scope, so the measurement will only be valid at the magnification you measured at. View Quote A much more accurate way would be to make a mil stick. You could use that to determine the size of the posts in mils. At that point you could then mil targets and estimate range. I doubt it's going to be too awful accurate either way, using a duplex hunting scope. |
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NRA Law Enforcement Handgun Instructor
NRA Law Enforcement Shotgun Instructor NRA Law Enforcement Patrol Rifle Instructor US Army Sniper School |
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I have been doing this for a long time with a Leupold VX-III, works well.
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whoops... double tap
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Originally Posted By Kletzenklueffer:
Ranging with a duplex has been done for hunting for years. Here's a link duplex ranging View Quote yep..... |
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I have the right to remain silent-I just don't have the ability.
Shoot til your target changes shape or catches fire. |
I have an older range finding scope that uses this method. It has an extra horizontal cross hair that is say 18 inches from the main cross hair at 100 at 3 power. You zoom the power until 18 inch part of the object is between the lines, from this, you get the distance which you use to adjust the elevation. In theory, this can be accurate enough to do some pretty good shooting. However, the coyote usually dies of old age before I get all this figured out.
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heck, back when the duplex reticles were becoming the standard in the 80's all the makers touted the range estimation feature of them. They had instructions for using them in the manual. I know my first tasco 3-9 scope did.
Then they also had some range estimaters built in the scope, I'm thinking the Bushnell Banner had one, where you slid a lever or a knob to move a stadia inside to bracket a deer chest and on the side you could read the estimated range. |
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NYSRPA Life Member, NRA Life Member
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Originally Posted By SteelonSteel:
heck, back when the duplex reticles were becoming the standard in the 80's all the makers touted the range estimation feature of them. They had instructions for using them in the manual. I know my first tasco 3-9 scope did. Then they also had some range estimaters built in the scope, I'm thinking the Bushnell Banner had one, where you slid a lever or a knob to move a stadia inside to bracket a deer chest and on the side you could read the estimated range. View Quote It was called the 30/30 reticle. Tasco and many others used it. I still have a 1960's era Japanese made first focal plane 3-9x scope with a 30/30 reticle. Neat stuff and can be fast once you learn it. |
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I think Carlos Hatcheck used a Redfield Accu Track on a rem mod 700 when he wasn't using the winchester mod 70 with the 8X unertil.
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Chicken Farmer by choice hunter of shade tree's and hiding spots by nature.
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