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 are notches and indentations in the camera screens that might
> make this approach difficult. But even glass can be shaped using the right
> abrasives and tools. The surface would need to be protected by tape while
> this is being done -- clear Scotch would do. The glass could be shaped with
> small toolmakers stones and the like. I hesitate to mention Dremel because
> the diamond wheels I've seen were all too coarse for glass.

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.

mike

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