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Long Range Hunting & Shooting
Range estimation with a duplex?
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<blockquote data-quote="Ian M" data-source="post: 6554" data-attributes="member: 25"><p>Sabre,</p><p>The duplex reticle can be used for distance estimation to good advantage if the user makes an effort to learn some basics.</p><p>I suggest placing an 18" square (plywood, cardboard or whatever) out on a rock, post or easily observed location. Then back off in 100 yard increments and note (write down) what power your scope must be adjusted to, so that the 18" is bracketed by the posts. Way out there use the crosshair and a post. You can get some good data that you can use in the field, at X power if the buck's chest is bracketed then he is about Y yards. </p><p></p><p>Many reticles are already in 18" separations between the posts (some are 16") so that makes it easier and for some you simply read a second set of numbers on the power ring for the rough distance. This is pretty handy, but a good laser beats it hollow. How accurate, I have never tried to tie that down, I'm guessing 20 yards or less but suspect greater distances will effect this. There used to be some scopes with numbers inside that if you bracket the target a number would be visible in the field of view that approximated the distance. Even used in some sniper scopes (Redfields for instance).</p><p></p><p>In my experience Mildots are field useable for hunting if you know some dimensions of your critter and have a cheat-chart made up to give you quick readings (some guys can memorize the necessary numbers). Sometimes there is time for Mildot Masters and even a calculator but, bottom line is that stuff can be eliminated by a laser.</p></blockquote><p></p>
[QUOTE="Ian M, post: 6554, member: 25"] Sabre, The duplex reticle can be used for distance estimation to good advantage if the user makes an effort to learn some basics. I suggest placing an 18" square (plywood, cardboard or whatever) out on a rock, post or easily observed location. Then back off in 100 yard increments and note (write down) what power your scope must be adjusted to, so that the 18" is bracketed by the posts. Way out there use the crosshair and a post. You can get some good data that you can use in the field, at X power if the buck's chest is bracketed then he is about Y yards. Many reticles are already in 18" separations between the posts (some are 16") so that makes it easier and for some you simply read a second set of numbers on the power ring for the rough distance. This is pretty handy, but a good laser beats it hollow. How accurate, I have never tried to tie that down, I'm guessing 20 yards or less but suspect greater distances will effect this. There used to be some scopes with numbers inside that if you bracket the target a number would be visible in the field of view that approximated the distance. Even used in some sniper scopes (Redfields for instance). In my experience Mildots are field useable for hunting if you know some dimensions of your critter and have a cheat-chart made up to give you quick readings (some guys can memorize the necessary numbers). Sometimes there is time for Mildot Masters and even a calculator but, bottom line is that stuff can be eliminated by a laser. [/QUOTE]
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Range estimation with a duplex?
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