Re: [ATM] 12" Aero-Ektars

["Robert Mohr" <rmohr@tiwcorp.com>]

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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Robert Mohr
Director of Technical Services
TIW Technology, Inc
rmohr@tiwcorp.com
See our web site at www.tiwcorp.com
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