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Re: [ATM] BVC

I did an 8 inch from ASM a while ago....the glass is very soft and easy to grind.  Polishing wenet quickly for the same reason. However it is tricky to figure, in that changes in the shape can occur very rapidly.  

As for its quality, i don't notice any issues with the optics in the scope (i've only ever done 2 mirrors though, so i'm nowhere near an expert on the matter)

Chris


 
> 
> From: "Jacob Lauser" <sirius@riverstyx.com>
> Date: 2004/06/18 Fri AM 10:19:22 EDT
> To: <atm@atmlist.net>
> Subject: [ATM] BVC
> 
> I'm sure it's been discussed before, but perhaps someone could tell me what the current consensus on BVC mirrors from ASM Products in Quebec? I'm thinking of either buying a prefigured blank from them or trying a standard pyrex from elsewhere. Thanks!
> 
> - Jake Lauser
> Tucson, Arizona
> _______________________________________________
> ATM mailing list http://www.atmlist.net/
> 

Thanks,

Chris Welsh
Audio / Communications Technologist
chris.welsh@rogers.com

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