At 08:27 07/05/25, Digest Number 2194 wrote:
> Posted by: "pgdion1" pgdion1@... pgdion1
> Date: Thu May 24, 2007 7:37 am ((PDT))
>
>I've always used the black light bulbs [snip]
>
>btw - for collimation, my box is all white inside instead of
>aluminum foil. I think this works well to even things out.
Evenness of illumination is not the same as collimation and
yours is diffuse illumination, more or less its opposite.
Regards, LenW
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