Re: pinhole photography/ calculating focal length
Adam (agriff@chmc.org)
7 Jul 1997 17:24:42 GMT
"Geoffrey V. Brown" <geoffb@zerozine.com> writes: > Well, I've got some extra film and want to mess around with some stuff
> this weekend.
> I'm thinking about trying some pinhole photos, but doing them with my
> canon T-90 with the lens removed and a plate in its place. I'm
> wondering how if anyone has any suggestions on how to calculate the
> focal length.
I do this often with a Pentax Spotmatic with a body cap with a pinhole in it.
It is about equal to a 45mm lens, and I would guess that it will be about
the same on a T-90.
Adam