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What determines eye relief in a scope? |
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tpcollins
Optics Journeyman Joined: January/12/2009 Status: Offline Points: 428 |
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Posted: January/02/2016 at 20:38 |
Some scope may have 4", a .22 rimfire scope may only have half that because of no recoil. What determines eye relief inside a scope?
I have no idea what this crap at the bottom is from.
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Son of Ed
Chuck Norris Joined: June/18/2011 Location: TEXAS Status: Online Points: 122174 |
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The way the lenses are arranged.
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anweis
Optics Master Joined: January/29/2006 Status: Offline Points: 1148 |
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and cut or shaped but i am not buying the idea that recoil alone determines how much eye relief is needed. Type of firearm, type or mounts, stock size and shape, etc, are also important. the rifle/scope have to fit for good shooting when my daughter was young and small she shot and adult sized .22 riffle with 5" ER. i have a Sako that i initially scoped with low rings and a scope that had between 3.2 and 3.5" of eye relief, depending on power on the zoom. As soon as i moved away from the bench, i could no longer hit anything with that rifle, and the recoil was brutal even with mild reloads. I have since put a scope with 4" of constant ER and high rings, i shoot that rifle well and fast with both eyes open and the recoil is no longer a problem. If it does not fit, it will not shoot. |
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tpcollins
Optics Journeyman Joined: January/12/2009 Status: Offline Points: 428 |
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Thanks for the reply. Due to a torn rotator cuff, I've had to switch from a compound bow to a crossbow. Most of the scopes available are somewhat modified rifle scopes that have reticles with subtends for various yardages. And these scopes usually have the traditional 4" eye relief which puts the scope further down the rail.
Maybe someday the scope manufactures will make a dedicated crossbow scope without the longer eye relief. Thanks for the info. What's causing this at the bottom of every one of my posts on this forum? < ="text/" ="safari-extension://com.ebay.safari.myebaymanager-QYHMMGCMJR/35baac0d//helpers/preHelper.js">
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verminator
Optics Apprentice Joined: March/02/2013 Location: UK Status: Offline Points: 191 |
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eyebox size in relation to objective size seem's to have a impact on eye relief. also i would have thought the way the scope is assembled internally would play a major role.
here is a example off the only 80 x rifle scope in the world WOW..https://www.youtube.com/watch?v=03qtXpoObfM&feature=related
Edited by verminator - January/03/2016 at 05:54 |
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supertool73
Optics God Superstool Joined: January/03/2008 Status: Offline Points: 11814 |
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U probably have an ebay toolbar or addon installed in your safari browser. My ebay manager. Sometimes things like that dont aggree with the forum software. |
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Lifetime warranty and excellent customer service don't mean a thing when your gun fails during a zombie attack.
"A Liberal is a person who will give away everything they don't own." |
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koshkin
MODERATOR Dark Lord of Optics Joined: June/15/2004 Location: United States Status: Offline Points: 13181 |
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Eye relief is a function of the optical design of the scope: number, shape and arrangement of the optical elements inside a riflescope.
ILya
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