Hi
I am making a bodycap pinhole lens for my xg-7.
I tested the shavings of my drill hole in some glue I
use for beading, but they dissolved into a gooey mess.
So, as you know, acetate glues are not going to work.
Um...
Where can I finded silicon based glue?
I just showed a friend of mine "camera obscura with
the drilled body cap. Always nice to see the look of
amazement and comprehension on a "grown up's" face
when they finally "get" how optics and the eye works.
Too fun!
PS I am currently using elmers for Test Run 1.
I bought a stash of bodycaps on ebay a while ago and
the seller, bless his heart, found some more in his
store room. Only thing, they say Minolta on it in
thos nice round old style letters, so I haven't cut
into them yet!!!
Thanks again!
Johanna
--- David M Ocampo <redbug19@juno.com> wrote:
> Johanna
>
> I have a XG-7 that I made a pinhole body cap for and
> it works just fine.
> I drilled a 1/2 in. (13mm) hole in the center and
> used silicone adhesive
> to glue the pinhole on the inside .The silicone
> adhesive holds great and
> can be removed with little trouble. Soda can
> aluminum ( pop can here in
> the midwest ) is fine. Just paint the back of the
> pinhole flat black and
> don't forget to check the pinhole is not covered .
> With a .012 pinhole
> the focal length would be about 45mm with a f stop
> of 145. Exposure
> times? Call it f180 meter for f16 and add 7 stops. I
> can't give times to
> much depends on type of film.You might want to epoxy
> a step ring on so
> you could use filters. I hope this helps.
>
> Dave O
>
>
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Received on Mon Jul 2 00:06:56 2001
This archive was generated by hypermail 2.1.8 : Mon 13 Dec 2004 - 23:33:22 PST