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Checking Collimination of Big Eyes

 
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  #8  
Old 06-08-2003, 11:53 PM
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Re: Checking Collimination of Big Eyes

Butch

The straight verticle and horizontal planes seem to work best for our purpose.

Have been using this method for many years now with no complaints from many customers.

Once collimated the owner of Grieses Gun shop (in Clearfield) glasses after he had dropped them off his tripod while hunting.

Used a power line steel framing where I had the verticle and horizontal planes and was able to bring them back in perfectly. He said they were better then when put on a collimator down at Harry Kiesers.

I use to use a collimator but, find the verticle and horizontal planes a better way to make the adjustments.

The trick is to use just one eye and not both when making that adjustment.
You can do a great job off the target frames at the Williamsport 1000 yard range.


Later
DC

[ 06-09-2003: Message edited by: Darryl Cassel ]
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  #9  
Old 06-09-2003, 03:44 AM
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Re: Checking Collimination of Big Eyes

DC
Makes sence to me. I'll take a look threw mine to night, use your meathod DC and see what I can see. One of my gray tubes spun on me the last time I handled my Bigeyes SO I'm shure they are outa wack.
338-378 yes the moon moves very fast and so does the earth on it's axis relitive to a fixed point in space. (WOW did I just write that). 338-378 You have mail.

[ 06-09-2003: Message edited by: baldeagle713 ]
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Old 06-09-2003, 06:35 AM
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Re: Checking Collimination of Big Eyes

Jody

I can show you this procedure the next time I see you.
Just bring the glasses with you and I can explain in detail.

You can do it with the moon, however I have found the straight horizontal and verticle planes to work better for me.

When using the moon and centering till you get one picture at such a great distance, the optics will be off when going back to the normal viewing yardage of 500 to 2000 or a bit more.
It works the same when using a collimator up close. You will be off when going out to the normal viewing yardages.

The Kowa company is having the same problem with their new Kowa "Highlanders".
They can't seem to get them collimated from the factory and they are using a close up collimator. I know a fellow who has sent his back three times without satisfaction.
They have to be adjusted internally not the way we can adjust ours, externally.

Later
DC [img]images/icons/smile.gif[/img]
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  #11  
Old 06-09-2003, 07:45 AM
 
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Re: Checking Collimination of Big Eyes

DC,
When I look through a regular set of binos, they don't go out of collimation nomatter what I look at. What would the difference in the bigeyes be?
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  #12  
Old 06-09-2003, 08:05 AM
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Re: Checking Collimination of Big Eyes

Butch

The shorter focal length and the normal lower power of the handhelds is the differance. The lower the power, you can be off a tad without noticing mis-alighnment concerning the handhelds. They have to be WAY out before it bothers your eyes very much. Not so as the power goes up and the focal length extends.

I to have tried it both ways and use the H&V planes whenever I can.
The fellow that owns Griess's (I mentioned in the previous post) was on his way to Williamsport to have Keiser do them when he stopped by where we were set up. Had I had to rely on the moon he would never have had his glasses recollimated that day and ruined a full days hunt.
He said when I finished with them that, they were MUCH better alighned then when Keiser had put them together. Harry used a Collimator and I heard him speak of using the moon at times also.

I guess it's what works the best for the person using the glasses?

Did Boyd speak to you yet? Email me and I can give you some info.

Later
DC

[ 06-09-2003: Message edited by: Darryl Cassel ]
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Old 06-09-2003, 08:34 AM
 
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Re: Checking Collimination of Big Eyes

OK!
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Old 06-09-2003, 05:09 PM
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Re: Checking Collimination of Big Eyes

Checked out both pair today, the gray ones did need ajusted. Using DC's methods they came in very nicely. Thanks for the reminder DC. [img]images/icons/grin.gif[/img]
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