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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Parallax vs Focus
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<blockquote data-quote="jcpython357" data-source="post: 101561" data-attributes="member: 1187"><p>Guys, I was directed back to this thread from 24hourcampfire due to a thread I started this morning in which I told the guys there that I thought the eyepiece was for focusing the reticle. Now I'm a f__king idiot cuz I don't know how to focus a scope, so how can I say anything about any scope since I don't know nothing. </p><p></p><p> This all started when I was Gander and told the salesman a Leupold 2x20 pistol scope was a bit blurry compared to a Burris in a past comparison just last week, he then showed me how to focus it by turning the ocular out. Sure enough, it cleared up. But the reticle was dancing all over the place and the power seemed to increase a bit. When I turned my Burris 1.5-6 Sig. eyepiece (in) this morning it sure enough was out of focus, 12 CCW turns out and it was good to go again. It wasn't as noticable with a 3-9 FF when I did the same thing. </p><p></p><p>Sheephunter, rifle scopes work as follows....</p><p></p><p>The rear lens (eyepiece) only adjusts so the reticule appears sharp and clear to the user. It does not do anything to focus the scope on the target. It works exactly the same way a magnifying glass does so you can see a fine line on a sheet of paper with it. Make a '+' on a sheet of paper and look at it with a magnifying glass and you'll see and hopefully understand. Unless your vision changes, the magnifying glass will always need to be the same distance from the paper to see the + clear and sharp.</p><p></p><p>Does this make sense to you? You need to understand this before I go further in explaining anything else. </p><p></p><p></p><p> So, please tell me why did the 2x20 Leupold and my 1.5-6 Sig. become clear when I turn out on the eyepiece. This is getting confusing. Thanks, Jay</p></blockquote><p></p>
[QUOTE="jcpython357, post: 101561, member: 1187"] Guys, I was directed back to this thread from 24hourcampfire due to a thread I started this morning in which I told the guys there that I thought the eyepiece was for focusing the reticle. Now I'm a f__king idiot cuz I don't know how to focus a scope, so how can I say anything about any scope since I don't know nothing. This all started when I was Gander and told the salesman a Leupold 2x20 pistol scope was a bit blurry compared to a Burris in a past comparison just last week, he then showed me how to focus it by turning the ocular out. Sure enough, it cleared up. But the reticle was dancing all over the place and the power seemed to increase a bit. When I turned my Burris 1.5-6 Sig. eyepiece (in) this morning it sure enough was out of focus, 12 CCW turns out and it was good to go again. It wasn't as noticable with a 3-9 FF when I did the same thing. Sheephunter, rifle scopes work as follows.... The rear lens (eyepiece) only adjusts so the reticule appears sharp and clear to the user. It does not do anything to focus the scope on the target. It works exactly the same way a magnifying glass does so you can see a fine line on a sheet of paper with it. Make a '+' on a sheet of paper and look at it with a magnifying glass and you'll see and hopefully understand. Unless your vision changes, the magnifying glass will always need to be the same distance from the paper to see the + clear and sharp. Does this make sense to you? You need to understand this before I go further in explaining anything else. So, please tell me why did the 2x20 Leupold and my 1.5-6 Sig. become clear when I turn out on the eyepiece. This is getting confusing. Thanks, Jay [/QUOTE]
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Long Range Scopes and Other Optics
Parallax vs Focus
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