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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Zeiss Z-Plex for ranging targets
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<blockquote data-quote="sscoyote" data-source="post: 223750" data-attributes="member: 1133"><p>Bill, i'm not sure what the subtension of the plex post tips are with that reticle, but it should be advertised in their catalog somewhere. Or u could just go out and measure it yourself. Probably best to measure at 100 yds. although the measurement can be done at any distance really. </p><p></p><p>Here's the rangefinding formula as stated in the other post (inches to yds.)--</p><p></p><p>tgt. size x range of reticle subtension measurement / reticle subtension / quantity of reticle gap tgt. occupies (decimal equivalent) = range</p><p></p><p>If the subtension isn't wide enuf at the upper magnification then it can be adjusted some by turning the power down proportionally, i.e. as maginfication DECREASES, subtension INCREASES (inversely proportional), so if it measures 4" between posts @ 20X it will be very close to 8" @ 10X.</p></blockquote><p></p>
[QUOTE="sscoyote, post: 223750, member: 1133"] Bill, i'm not sure what the subtension of the plex post tips are with that reticle, but it should be advertised in their catalog somewhere. Or u could just go out and measure it yourself. Probably best to measure at 100 yds. although the measurement can be done at any distance really. Here's the rangefinding formula as stated in the other post (inches to yds.)-- tgt. size x range of reticle subtension measurement / reticle subtension / quantity of reticle gap tgt. occupies (decimal equivalent) = range If the subtension isn't wide enuf at the upper magnification then it can be adjusted some by turning the power down proportionally, i.e. as maginfication DECREASES, subtension INCREASES (inversely proportional), so if it measures 4" between posts @ 20X it will be very close to 8" @ 10X. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Zeiss Z-Plex for ranging targets
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