3) How do you really tell if you have a clean hole?
> By the way my hole was done under a bi-microscope at
> 90x.
>
From what was said to me over the list, you are already
doing it.
> 4) Whn I attempted to make another hole I noticed when holding
> the lens up to a regular light that I though I saw fibers
> or a fuzziness through the lens although under 90x it seemed
> clear. What the hang is going on? How to make the right
> hole? Needle used by the way was a No!2 sewing (hand) and
> was perfectly round.
>
Someone else will comment more intelligently, but I wouldn't
think that holding a pinhole up to a lightbulb would tell
anything, and I wouldn't worry about perceived fiberousness
or fuzziness. Also, even if you have a perfectly round
hole-making implement there is no guarentee that the hole
will be perfectly round. I don't know how easy it would be
(I assume it will be) but you should somehow download the
most current archive file and look 2-3 weeks back for a
very excellent discussion (thanks very much for input, BTW)
on pinhole construction. Apparently it is a real art to
make a GOOD pinhole, and practice is essential. The best
of my first pinholes has this tendancy to be rather sharp
in certain areas of the picture, and then fuzzes rather
effectively in other areas (I kind of like it).
>
> Please send help, I really need it and if there are any FAQ's around on this
> subject please advise as well
>
A FAQ? Sounds like a good idea to me. When I get Mr.
Bullis' articles I've ordered on Interlibrary Loan, I
just may transcribe exerpts, with his permission.
chico cseay@TUblue.pa.utulsa.edu