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Author Topic: Parallax?????  (Read 5896 times)

Offline PA BEN

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Parallax?????
« on: July 28, 2010, 05:52:48 AM »
I have a scope w/Parallax adjustment. Not sure how to use it. Other then it will focus my scope at various power. But the yardage on the scope doesn't line up with the yardage I'm shooting.
It's a 6x24x40, its a high dollars scope, Baush & Lomb Balvar.
« Last Edit: July 29, 2010, 06:40:52 PM by PA BEN »

Offline G.R.K

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Re: Parallax
« Reply #1 on: July 28, 2010, 10:56:49 PM »
 :dunno: More Info
Losing is natures' way of saying you suck.

Offline Jamieb

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Re: Parallax
« Reply #2 on: July 28, 2010, 11:16:11 PM »
I suck at typing up a explanation but I'll give it a try.
For hunting set the for 100 yards most of the time as that will be good for most of the shot opportunities I come across and then adjust parallax for longer ranges when I'm looking through the scope.
How I set parallax-
When looking through the scope at a target, move your head up/or down, the cross hairs move, keep adjusting the parallax until the cross hairs don't move as you move your head.

Offline PA BEN

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Re: Parallax
« Reply #3 on: July 29, 2010, 06:11:34 AM »
It stays clear up to 10 power set at 50 to 75 yds. If I jump up to 24 power I adjust it up until it clears up, but it's clear, (in focus), from close to infinity. So if I want to shoot at 500yds lets say, I zoom to the power I want then focus it w/the parallax adjustment.  I haven't try the eye movement to see if the cross hairs move. So, without this adjustment does it through your point of impact off? I guess I need to do some long rang shooting to see. BTW, I bought this scope new in the box at a gun swap for 75 bucks. It belonged to a buddy of the guy I got it from, his buddy died and his wife gave it to him, so that's why he sold it cheep, his buddy bought it way back when and never put it on a gun. It's made by Bushnell. This is the same scope that Bushnell puts out now. http://www.opticsplanet.net/bushnell-6-24x40-elite.html 

Offline Jamieb

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Re: Parallax?????
« Reply #4 on: July 29, 2010, 08:51:17 PM »
Most folks think the parallax adjustment is a focus, it's not.
Adjusting the parallax may also adjust the focus but thats not really what its for.
Here is a link to a short definition of parallax.http://www.merriam-webster.com/dictionary/parallax
Parallax adjustment is to eliminate change of impact with change of cheek weld, a big deal when shooting long range from field positions.

Offline G.R.K

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Re: Parallax?????
« Reply #5 on: July 29, 2010, 11:10:43 PM »
Losing is natures' way of saying you suck.

Offline PA BEN

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Re: Parallax?????
« Reply #6 on: July 30, 2010, 05:58:27 AM »
OK, that all being said, lets say I want to shoot a target at 600yds. I zoom up to 24 power, and set my scope at 600yds, but it's not in focus. I focus it and then do the eye up and down thing to see if the cross hairs move? How much can the bullet impact be off?

Offline Jamieb

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Re: Parallax?????
« Reply #7 on: July 30, 2010, 05:40:41 PM »
At 600 yards, at least 1 foot.

Offline PA BEN

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Re: Parallax?????
« Reply #8 on: July 30, 2010, 06:50:26 PM »
I went and sited in my gun today. Not to far, just 118 yds. At 10 power I focused the scope and at 24 power the focus didn't change. Sited it in at 10 power and then shot two at 24 power hit the same. So, is Parallax an issue at long ranges? And at what range do I need to worry about it?

Offline bobcat

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Re: Parallax?????
« Reply #9 on: July 30, 2010, 07:26:06 PM »
Parallax will have a greater affect as the distance of the shot increases.

Offline Jamieb

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Re: Parallax?????
« Reply #10 on: July 30, 2010, 10:27:50 PM »
Parallax has nothing to do with the power setting. Yes it makes a difference at long range. When shooting positions change a lot, like siteing in on a bench and then laying down prone shooting up hill, your head placement will be way different on the stock and so if the parallax is set wrong your point of impact is going to be off. If our parallax is set for a 100 yards and your shooting in the field at 400 yards, your shot could be off target enough to miss the vitals on a deer.

Offline Jamieb

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Re: Parallax?????
« Reply #11 on: July 30, 2010, 10:58:46 PM »
BTW.
"It's a 6x24x40, its a high dollars scope". That is not in the same leauge as any high dollar scope and wont preform like one.

Offline FC

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Re: Parallax?????
« Reply #12 on: July 31, 2010, 12:23:33 AM »
BTW.
"It's a 6x24x40, its a high dollars scope". That is not in the same leauge as any high dollar scope and wont preform like one.

No need to be mean about it!

Pa Ben, set your parallax at 200m for most typical deer hunting and it will be fine, most non-adjustable objective type scopes are actually set at 200m, play around with your new scope a bit before hunting with it by looking through it at varying known distances or use a range finder. You should get a feel for the parallax adjustment but don't use it as a focus, your focus should remain pretty constant with your eyepiece, if you are getting out of focus you are probably trying to use too much power for too short of a range or you are seeing a lot of mirage from using too high of a power setting for the ambient temperature or are in bright sunlight.
The reason there are so many Ruger upgrades is because they're necessary.

Offline PA BEN

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Re: Parallax?????
« Reply #13 on: July 31, 2010, 06:19:13 AM »
BTW.
"It's a 6x24x40, its a high dollars scope". That is not in the same leauge as any high dollar scope and wont preform like one.
Will to me $749.00 is a high dollar scope.The closes scope I could find made today is bushnell's Elite 4200.Elite 4200 6-24x40 Earns Editor's Choice Award From Outdoor Life Magazine Outdoor Life  magazine has selected the Elite 4200 6-24x40 riflescope from Bushnell as the 2007 Editor’s Choice Award in the riflescope category.Sportsman's Guide has it for $549.99 This is the first scope I've owned that when you move windage adjustments it doesn't take a shot to settle the cross hairs. I do use the 6" sun ring on it.
« Last Edit: July 31, 2010, 06:30:28 AM by PA BEN »

Offline PA BEN

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Re: Parallax?????
« Reply #14 on: July 31, 2010, 11:32:50 AM »

 


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