imagineero wrote:
>
> It is possible to make pinhole plates yourself, though
> they're not very
> good. There is always difraction caused by the hole not
> being perfect. The
Diffraction is a physical result of having a small hole, imperfections will
only modify the diffraction pattern. If you are concerned about
imperfections, why use a pinhole at all ?
> best one's seem to be made by lasers on ultra thin plates.
> There was a guy
> on the web selling them for reasonable prices $20-$50 I
> think, but I've lost
> his address. i will have another look for it and post it if
> I find it.
>
Why would you spend that amount of money on a 50mm focal length pinhole when
you can buy a good used 50mm f1.8 from Olympus Guy for the same price ?
Wayne Harridge
Ivanhoe, Victoria, Australia
http://www.geocities.com/Paris/Louvre/6152/
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