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#6648231 - 07/02/12 04:45 PM help optic experts!!!!!!! lyman 20x/wally siebert power boost
srwshooter Offline
Campfire Guide

Registered: 12/18/05
Posts: 4627
Loc: grottoes ,virginia,usa
i picked up 3 like new lyman 20x all american scopes today. the scopes came with a letter from wally siebert who i understand was the expert on boosting the power on these scopes. the letter states that the power was boosted on one of the lymans to 32x in 1994. my problem is the power level on all 3 scopes seems the same to me. i can not tell any differents in the 3 of them. is there a way i can tell what power they are???

its my understanding that wally just passed away in may of this year.


Edited by srwshooter (07/02/12 04:46 PM)

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#6651709 - 07/03/12 05:58 PM Re: help optic experts!!!!!!! lyman 20x/wally siebert power boost [Re: srwshooter]
oldman1942 Offline
Campfire Ranger

Registered: 09/15/09
Posts: 4328
Loc: WY & FL
Yup, easy. Clamp all three in V blocks side by side. Add a fourth scope of known power (20X if possible) in a fourth set of V blocks next to the first three.
Set up a large target made up of 1" grids blocks at 100 yards. Look through all four. Any difference as large as 12X should jump out at you. On the assumption that all 3 Lymans started with the same FOV, some simple math and grid sqare counting should allow you to calculate the power of the modified scope.

These were good scopes in their day, almost as good as Unertls BUT no match for a current fixed power Nightforce of today.

You might want to talk with TK Lee optics as they do excellent work,

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#6651729 - 07/03/12 06:04 PM Re: help optic experts!!!!!!! lyman 20x/wally siebert power boost [Re: ]
gunner500 Offline
Campfire Kahuna

Registered: 09/07/09
Posts: 21887
Loc: Oklahoma
Originally Posted By: twister999
Yup, easy. Clamp all three in V blocks side by side. Add a fourth scope of known power (20X if possible) in a fourth set of V blocks next to the first three.
Set up a large target made up of 1" grids blocks at 100 yards. Look through all four. Any difference as large as 12X should jump out at you. On the assumption that all 3 Lymans started with the same FOV, some simple math and grid sqare counting should allow you to calculate the power of the modified scope.

These were good scopes in their day, almost as good as Unertls BUT no match for a current fixed power Nightforce of today.

You might want to talk with TK Lee optics as they do excellent work,


I gotta get out more, didnt know Nightforce made a Fixed Power Riflescope.

Gunner
_________________________
"I Walk Alone"

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#6653407 - 07/04/12 09:14 AM Re: help optic experts!!!!!!! lyman 20x/wally siebert power boost [Re: gunner500]
oldman1942 Offline
Campfire Ranger

Registered: 09/15/09
Posts: 4328
Loc: WY & FL
Oops, you are correct, I didn't open the safe and look at the scopes. I said Nightforce but I should have said this one.

http://www.valdada.com/scopes/benchrest-competition-scope/36x42-30mm-sf-benchrest-competition-scope

Anyway, the method will work regardless of my terrible error of not looking at my Nightforces and IORs. Probably means I own too many of each.

Heck you even could use the Nightforce 12-42x56 benchrest model sat at 20 X and 32X for a direct comparision ...... if you owned one.

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#6653424 - 07/04/12 09:18 AM Re: help optic experts!!!!!!! lyman 20x/wally siebert power boost [Re: ]
RDFinn Offline
Campfire Kahuna

Registered: 01/02/06
Posts: 16801
Loc: Bernardsville, NJ
You're up to 39 posts without this new user name being banned. Congratulations Larry.

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#6653429 - 07/04/12 09:19 AM Re: help optic experts!!!!!!! lyman 20x/wally siebert power boost [Re: ]
nsaqam Offline
Campfire Kahuna

Registered: 05/01/08
Posts: 16540
Loc: Hermantown MN
Probably means you're senile Larry.

And a braggart as well.

As Larry said however a 12X difference should be easy to spot just looking through them by holding them in your hand.

Maybe it was converted back to 20X or the 32X scope was erroneously not included.
_________________________
The Chosin Few November to December 1950, Korea.
I'm not one of the Chosin Few but no more remarkable group of Americans ever existed.

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#6654095 - 07/04/12 01:16 PM Re: help optic experts!!!!!!! lyman 20x/wally siebert power boost [Re: nsaqam]
gunner500 Offline
Campfire Kahuna

Registered: 09/07/09
Posts: 21887
Loc: Oklahoma
Holy flyin' hogchit, is that LR too? shocked

Gunner
_________________________
"I Walk Alone"

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#6655296 - 07/04/12 09:37 PM Re: help optic experts!!!!!!! lyman 20x/wally siebert power boost [Re: gunner500]
oldman1942 Offline
Campfire Ranger

Registered: 09/15/09
Posts: 4328
Loc: WY & FL
To the OP, hope it works for you. Try to ignore the chatter that is all about self-aggrandizement and nothing to do with your question.

Feel free to PM me if you want any more help and wish to avoid the timewasters.

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#6655323 - 07/04/12 09:54 PM Larry Root and his Insufferable Idiocy [Re: ]
FOsteology Offline
Campfire Tracker

Registered: 11/25/04
Posts: 7418
Loc: Texas
Laughable how you're trying to claim you're only here to "Help the membership".

"twister999"...Larry... Duane... Roger... Karen... Sybil... irregardless of the name you use, you're still the same old gender confused, paranoid delusional geriatric TROLL.

Extremely telling of your true "character" (lack there of) that you find it necessary to continually circumvent Rick Bin's wishes for you to be gone from his website by adding numerous screen names for the sole intent and purpose to TROLL a site where you are neither wanted nor offer ANYTHING of real use and value to the membership.

You live your pathetic excuse of an existence vicariously through Gun Rags and books and then claim and spew them as if it were first hand experience, yet it is something you've only read and never done. I'll grant you that you're a plethora of antiquated and useless knowledge.

You've been banned here multiple times and have multiple user names and even claim to be your wife from time to time! You've done the same thing on many other Forums, and have been banned from them as well ... (SnipersHide, Optics Talk, ARAIG, just to name a few...)

You have lied about being a "Fighter Pilot", combat service, heroism, etc. and were outed as the liar and despicable poser that you are.

You have to stroke your pathetic and imbecilic persona on the Internet as you've failed miserably at life and don't get the attention you crave at home... 70 years of useless existence and this is how you choose to make a name for yourself...

Utterly pathetic...

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#6655328 - 07/04/12 09:58 PM Re: help optic experts!!!!!!! lyman 20x/wally siebert power boost [Re: ]
gunner500 Offline
Campfire Kahuna

Registered: 09/07/09
Posts: 21887
Loc: Oklahoma
Originally Posted By: twister999
Oops, you are correct, I didn't open the safe and look at the scopes. I said Nightforce but I should have said this one.

http://www.valdada.com/scopes/benchrest-competition-scope/36x42-30mm-sf-benchrest-competition-scope

Anyway, the method will work regardless of my terrible error of not looking at my Nightforces and IORs. Probably means I own too many of each.

Heck you even could use the Nightforce 12-42x56 benchrest model sat at 20 X and 32X for a direct comparision ...... if you owned one.



Dont need that much glass, run a 2.5-10X24 and 5.5-22X56 Nightforces, and a pair of Leica 10-42 R/F Geovids for everything else.

Hey Rootman, don't you have a little pink blowup pig that's missing his ride on your lap this evening? LOL.

Gunner
_________________________
"I Walk Alone"

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