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Re: ATM Glass Advice




I will get a webpage for you soon.


Frank Ward wrote:

> A.T.S.
>
> What are you saying here? I don't understand you.
>
> >Just my opinion, but if a person is going to spend $1K + on a piece of
> glass,
> he/she may as well cough up the remainder for a brandnew scope. Although
> it's
> not made by you, and you can't take the personal pride in it, it is afterall
> a
> thousand dollars of your cash.
> Hey, if you are not concerned over the 1k, then go for the pyrex.
>
> And secondly,
>
> > People have made bino's out of his 20" glass.<
>
> Who has made 20" binos from 7/8" plate glass? Could you give me more
> details please. Names, addresses, webpages possibly? TIA
>
> Frank Ward
> Atlanta, GA
>
> ----- Original Message -----
> From: "A.T.S." <drummer@austin.rr.com>
> To: "Peter" <kitgears@kitgear.com>; "ATM Group" <atm@shore.net>
> Sent: Friday, January 11, 2002 8:11 AM
> Subject: Re: ATM Glass Advice
>
> >
> > Sounds like you bought from the same person I did.
> > Dan Cassaro. He's a GREAT guy. And has been doing ATM for about 20 years.
> He's
> > made many with this glass and I recomended it.
> > I've made and 8, 10, 12.5, and have a 16 and 2- 20" on the side waiting.
> > A 20" at 7/8, such as we have, is REALLY pushing the envelope.
> > I bought the other sizes because they were cheap and because I could
> practice
> > on them before working on a 20".
> > People have made bino's out of his 20" glass.
> > I've made an F/5.5 out of the 12.5". Probably will go no lower than 6.5 on
> the
> > 20", just to be safe.
> >
> > Just my opinion, but if a person is going to spend $1K + on a piece of
> glass,
> > he/she may as well cough up the remainder for a brandnew scope. Although
> it's
> > not made by you, and you can't take the personal pride in it, it is
> afterall a
> > thousand dollars of your cash.
> > Hey, if you are not concerned over the 1k, then go for the pyrex.
> >
> >
> > Peter wrote:
> >
> > > Hi,
> > >
> > > I'd like to get some advice regarding purchasing glass for a 20" scope
> which
> > > I'm considering to build. I found a company on the Internet which sells
> > > cheap plate glass but it is only 7/8" thick.
> > >
> > > I'd like to know if it a bad idea to pursue making a 20" f4.5 out of
> 7/8"
> > > plate glass or should I not be so cheap and cough up the cash for
> thicker
> > > Pyrex? The Sagitta works out to approx. 0.278" leaving about 0.600" of
> glass
> > > thickness in the center of the mirror. The cost difference is huge.
> > >
> > > I've already made a few mirrors from scratch (12.5" f5 is the latest) so
> I
> > > do have some experience but I'm certainly not an expert.
> > >
> > > Thanks in advance for your input.
> > >
> > > Peter
> > >
> > > P.S. I'd appreciate receiving links to other Internet sources of cheap
> glass
> >
> >