I would try using masking tape; if that isn't adequate to stand up to the
bead blasting, then a layer of electrical tape might. RKS
>From: "Bradley Small" <[EMAIL PROTECTED]>
>Reply-To: [EMAIL PROTECTED]
>To: <[EMAIL PROTECTED]>
>Subject: Re: [Cameramakers] Making ground glass
>Date: Tue, 3 Jul 2001 08:17:56 -0400
>
>How would you do this? Perhaps some sort of adhesive mask or what?
>
>
>
>---------- Original Message ----------------------------------
>From: Michel Dusariez <[EMAIL PROTECTED]>
>Reply-To: [EMAIL PROTECTED]
>Date: Tue, 3 Jul 2001 07:23:54 +0200
>
> >Nice advice, two different grinds, I will use it.
> >
> >>This sounds as though there may be a tradeoff between fineness of
> >>the groundglass and brightness of the image. Maybe it would make
> >>sense to put about a 10 to 15 mm spot of very fine grind or etching
> >>at the center to use for focusing, and surround it with a coaser
> >>grind for a brighter image...RKS
> >>
> >
> >--
> >
> >Michel DUSARIEZ
> >UNLIMITED FIELDS RESEARCH PANOPTIC IMAGING asbl
> >KITE AERIAL PHOTOGRAPHY WORLDWIDE ASSOCIATION - FOUNDATION
> >14, Avenue Capitaine PIRET
> >B-1150 BRUXELLES - BELGIUM
> >Fax 32 2 512 68 29
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