Re: [ATM] 12" Aero-Ektars

["Stars" <rocketmaker@intergate.com>]

Thanks I will check back. The shed can have good deals and useful items from 
time to time. I have sent stuff back but overall I have been happy with 
them. I got a 12 mm eyepiece from a Steiner binocs and machine an 1 1/4 
barrel for it. The cost was only $5 and it has been one of the best wise 
angle 12mm I have used.

Best,
Rick
----- Original Message ----- 
From: "Robert Mohr" <rmohr@tiwcorp.com>
To: <rocketmaker@intergate.com>
Cc: <atm@atmlist.net>
Sent: Friday, November 09, 2007 2:40 PM
Subject: Re: [ATM] 12" Aero-Ektars


> Hi,
>
> I have bought some Canadian Balsam at Surplus Shed. They have it in solid
> form, you can either heat it to dissolve or mix with solvent. I found that 
> if you
> wash it first, it comes out really nice.
>
> Bob Mohr
>
>> I have a couple of the f:2.5s and eventually want to replace the
>> thorium elements. They are not terribly "hot" but the thorium
>> radiation has "browned" the elements and changed the optical
>> properties. I can find a solution but was wondering if anyone has come
>> across a solution that has a suitable glass substitute with mimimal
>> refiguring of the other elements. Both rear elements seed refiguring.
>> I locate three Eastcoast suppliers of Balsaam cement and other curable
>> optical cements but they are reluctant to ship to west coast. Only one
>> seller on Ebay and he seemed too high. I used to buy Balsaam at just
>> about any photo store but not any more.
>>
>> I could also use a copy of the shutter manual if someone can scan and
>> email it.
>>
>> Best,
>> Rick Crockett
>>
>> ----------------------------------------------------------------
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>>
>>
>> _______________________________________________
>> ATM mailing list http://www.atmlist.net/
>>
>
>
>
> Robert Mohr
> Director of Technical Services
> TIW Technology, Inc
> rmohr@tiwcorp.com
> See our web site at www.tiwcorp.com
>
> 


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