Re: Zone Plate's

Its easy to make yourself. I used the instructions on Chris Pattons web page at
http://www.stanford.edu/~cpatton/zp.html

on your quest for brass. I use disposable cookie sheets. Im working on making
100 35mm canister cameras for a class Im teaching. The disposable aluminum
works well for me.

Mark Roberts wrote:

> Can anone tell me where to get a Zone Plate for a 4 x 5 (Lens is 127 MM).
>
> Also need to make A LOT of pinhole cameras from 35mm cannisters & am looking
> for low cost brass pin holes.
>
> Thanking you in advance.
>
> Mark Roberts
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--
Chris Peregoy | http://www.gl.umbc.edu/~peregoy | http://imda.umbc.edu/