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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Reticle subtension measurements
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<blockquote data-quote="Ian M" data-source="post: 20317" data-attributes="member: 25"><p>I tried to determine what the actual size of some rangefinding circles, bars, posts might be in several scopes a while back. Drew some simple bars with a felt pen at 16" and 18", then also stood a wooden yard stick up with a line drawn on the cardboard where the 0 would be. Found that some circles that were supposed to be 18" were that size on the outside of the circle, but my eye prefered to use the inside. The circle was 0.5" thick so the inside circle was only 17" across.</p><p></p><p>Not sure why the scope companies do not standardize on the distance between duplex reticle posts, some are 18", some are 16". Too bad there wasn't 16, 18, 20, 22, 24 inch indicators since 16 and even 18 are too smal for big whitetails and mulies for a brisket to backline comparison.</p><p>Good luck with your efforts, hope that they work out OK.</p></blockquote><p></p>
[QUOTE="Ian M, post: 20317, member: 25"] I tried to determine what the actual size of some rangefinding circles, bars, posts might be in several scopes a while back. Drew some simple bars with a felt pen at 16" and 18", then also stood a wooden yard stick up with a line drawn on the cardboard where the 0 would be. Found that some circles that were supposed to be 18" were that size on the outside of the circle, but my eye prefered to use the inside. The circle was 0.5" thick so the inside circle was only 17" across. Not sure why the scope companies do not standardize on the distance between duplex reticle posts, some are 18", some are 16". Too bad there wasn't 16, 18, 20, 22, 24 inch indicators since 16 and even 18 are too smal for big whitetails and mulies for a brisket to backline comparison. Good luck with your efforts, hope that they work out OK. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Reticle subtension measurements
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