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 Post subject: Scope - question
PostPosted: Mon Apr 27, 2009 10:07 pm 
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I think this is going to be a quick question but may be not ....

What is the fastest and accurate way to reset a used scope back to its center ?

I usually turn the windage adjustment to one end and then count the turn
to the other end and then go back 1/2 way so many turns.
I guess that would be approximate center .....

any body have better suggestion ?

Thanks in advance.


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PostPosted: Mon Apr 27, 2009 10:39 pm 
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Hey Sniper check this link :D

http://www.thefiringline.com/forums/showthread.php?threadid=128937&highlight=mechanical+zero

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PostPosted: Mon Apr 27, 2009 10:57 pm 
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RedHornet wrote:


Thanks for the link.

I guess the fastest and accurate way of doing it, it's by sending back to the manufacture ...
other than that, it's just guess work .... that we may think we got it right on it .... I supposed ....


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PostPosted: Mon Apr 27, 2009 11:03 pm 
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do you mind me asking why do you want the scope back to stock settings???

and what purpose do you have for it at stock settings ?

lol just curious cause my scopes have never been on target from stok settings.

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PostPosted: Mon Apr 27, 2009 11:11 pm 
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kenneth carlson wrote:
do you mind me asking why do you want the scope back to stock settings???

and what purpose do you have for it at stock settings ?

lol just curious cause my scopes have never been on target from stok settings.


Actually the same reason as one of the post on that thread ....


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PostPosted: Mon Apr 27, 2009 11:14 pm 
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lol ok ok i get ya i understand what you are saying ok. well good luck i would say ya send it back to the factory and have them stock setting it. or you can always go to your local gunsmith and see if there able to do it.

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crosman 2240 modded again .22 and .177
daisy 856(needs parts).177
crosman 760 .177 bb/pellet
crosman phantom 500 .22 modded
colt 1911 a1 .177
crosman 150 .22
beeman p17
crosman 38c .22
benji 397 .177
soon benji disco .22
too many powder burners to list.


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PostPosted: Mon Apr 27, 2009 11:29 pm 
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kenneth carlson wrote:
lol ok ok i get ya i understand what you are saying ok. well good luck i would say ya send it back to the factory and have them stock setting it. or you can always go to your local gunsmith and see if there able to do it.


Actually I will settle with the precision of approximation .... lol....
I doubt very much any gunsmith would have the equipment or willing to buy the equipment to do the job.


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PostPosted: Tue Apr 28, 2009 9:09 am 
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I have never done this, but it just popped into my head and seems to me like it may work to get real close anyway.

If you can make the scope very secure, padded in a vice or something, put a blank piece of paper at 10 yards after you have centered the scope the way you mentioned. Place the paper (graph paper may be the best) so your cross hairs are in the center of the paper, being sure that your cross hairs are dead on level by using a plumb line. If your paper is level, that will help as well. Adjust you cross hairs down to the maximum setting and mark where they stop. Do the same by adjusting up all the way. Once you have the two marks, measure, find the center and place a horizontal line there. Adjust the scope to the line and then repeat this for the windage setting and place a small vertical line in the center. Adjust your scope so the cross hairs are on the intersection of the horizontal and vertical lines you placed on the paper. That should put you very close to the optical center of the scope.

Tim

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PostPosted: Tue Apr 28, 2009 11:02 am 
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here is how I would do it:

Clamp a pair of v-blocks or notched pieces of wood in a vice. Protect your scope with a soft cloth draped over the blocks.
Sight at a spot on the wall, rotate 180 degrees and look at the spot. Adjust scope half way between the first and second point on the wall. Repeat for other axis and when done the scope crosshairs should line up on the new spot no matter where you rotate it.
That will be centered in the scope without compromising or even looking for the extended limits of the adjustment(s)

Easy as pie!

Walter....

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PostPosted: Tue Apr 28, 2009 1:47 pm 
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Voltar1 wrote:
here is how I would do it:

Clamp a pair of v-blocks or notched pieces of wood in a vice. Protect your scope with a soft cloth draped over the blocks.
Sight at a spot on the wall, rotate 180 degrees and look at the spot. Adjust scope half way between the first and second point on the wall. Repeat for other axis and when done the scope crosshairs should line up on the new spot no matter where you rotate it.
That will be centered in the scope without compromising or even looking for the extended limits of the adjustment(s)

Easy as pie!

Walter....


I agree, probably the best and simplest way.

Tim

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PostPosted: Tue Apr 28, 2009 8:46 pm 
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Thank you Gents, great suggestions, very excellent ideas ......

I guess I have to make sure that the scope is level when it is sitting on the V ....


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PostPosted: Wed Apr 29, 2009 8:20 am 
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sniper wrote:
Thank you Gents, great suggestions, very excellent ideas ......

I guess I have to make sure that the scope is level when it is sitting on the V ....


Roughly level is adequate as great accuracy in centering is wasted effort. You will be adjusting away from there eventually.

Walter...

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PostPosted: Wed Apr 29, 2009 10:31 pm 
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Voltar1 wrote:
sniper wrote:
Thank you Gents, great suggestions, very excellent ideas ......

I guess I have to make sure that the scope is level when it is sitting on the V ....


Roughly level is adequate as great accuracy in centering is wasted effort. You will be adjusting away from there eventually.

Walter...


ok, I will give it a try ....

Thank you.
SNIPER.


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 Post subject: Re: Scope - question
PostPosted: Sun Jun 14, 2009 2:04 pm 
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keyrigger had a good idea, was shown at the last match port colborne washroom ... lol.... for real.

The idea was using a mirror right against the front of the scope then you can see the retical
and the image on the mirror then using the windage adjustment to line up the cross hair.

I supposed that the magnification and AO should be turned down all the way to the lowest.


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 Post subject: Re: Scope - question
PostPosted: Sun Jun 14, 2009 5:11 pm 
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Almost right, Sniper. The magnification is set to minimum and the focus (where applicable) is set to infinity.

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