Forums
New posts
Search forums
What's new
Articles
Latest reviews
Author list
Classifieds
Log in
Register
What's new
Search
Search
Search titles and first posts only
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
How far is this deer?
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="sscoyote" data-source="post: 480255" data-attributes="member: 1133"><p>John Barsness talks about reticle-rangefinding using simple plex reticles before the lasers came out--and said he was quite successful at it.</p><p></p><p>This stuff is really fascinating to play with as it's all (rangefinding and downrange zero reference) based on the mil-ranging formula. </p><p></p><p>Take a look at the 30-30 reticle in that website (...of which is one of the best resources out there for rangefinding reference, BTW). By applying the "mil-ranging formula," it can be seen how the simple plex reticle itself can be applied as an adequate rangefinding device very similar to the mil-dot. They give the subtension of that reticle as 15" from X-hair to plex post tip at 100 yds.</p><p></p><p>If u bracket the "buck deer" which is actually a bull elk, and use say 27" back to brisket it can be seen that the b-b profile occupies about 1.5 plex post tip units. Here's the mil-ranging formula substituting 15 IPHY for the 3.6 IPHY subtension--</p><p></p><p>27 x 100 / 15 / 1.5 = 120 yds.</p><p></p><p>Neat stuff and GREAT site to study this stuff.</p></blockquote><p></p>
[QUOTE="sscoyote, post: 480255, member: 1133"] John Barsness talks about reticle-rangefinding using simple plex reticles before the lasers came out--and said he was quite successful at it. This stuff is really fascinating to play with as it's all (rangefinding and downrange zero reference) based on the mil-ranging formula. Take a look at the 30-30 reticle in that website (...of which is one of the best resources out there for rangefinding reference, BTW). By applying the "mil-ranging formula," it can be seen how the simple plex reticle itself can be applied as an adequate rangefinding device very similar to the mil-dot. They give the subtension of that reticle as 15" from X-hair to plex post tip at 100 yds. If u bracket the "buck deer" which is actually a bull elk, and use say 27" back to brisket it can be seen that the b-b profile occupies about 1.5 plex post tip units. Here's the mil-ranging formula substituting 15 IPHY for the 3.6 IPHY subtension-- 27 x 100 / 15 / 1.5 = 120 yds. Neat stuff and GREAT site to study this stuff. [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
How far is this deer?
Top