erstag, 20. November 2003 20:07
An: [EMAIL PROTECTED]
Betreff: RE: Making your own (WAS Re: Anybody know where to get an SD-11
focusing screen?)
Why not buy the safe glass etching cream sold in hobby stores everywhere?
Try looking the stuff up for yourselves. Hint:
Go to Google.
Type "et
'
Updated: August 15, 2003
"Oh my God! They've killed Teddy!"
- Original Message -
From: "mike.wilson" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, November 20, 2003 5:49 PM
Subject: Re: Making your own (WAS Re: Anybody know where to ge
Hi,
Fred wrote:
> > If you have a piece of glass of the right shape and thickness, it
> > would be easy to "matte" one side with a solution of sodium
> > hydroxide. Some experimentation would be needed to get
> > concentration and times.
>
> Gee, I don't think that NaOH will do anything to glas
> hydofluoric acid
Oops. Make that "hydrofluoric".
Fred, K1FW
Fred wrote:
Gee, I don't think that NaOH will do anything to glass. I think
that, to etch glass, you need hydofluoric acid (HF).
Fred, K1FW
NaOH definately etches glass, especially if you heat it
Paul (Chemist know-it-all)
_
Say
> If you have a piece of glass of the right shape and thickness, it
> would be easy to "matte" one side with a solution of sodium
> hydroxide. Some experimentation would be needed to get
> concentration and times.
Gee, I don't think that NaOH will do anything to glass. I think
that, to etch glas
Hi,
Don wrote:
> Has anyone on the list tried to make a screen? I did the other day -- for a
> non-Pentax piece of equipment. I used a piece of glass from a 6x6
> anti-Newton Ring slide mount. It worked very well. The glass is very clear
> but has very fine surface 'etching'.
>
> I guess there a
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