Re: New to Pinhole

Hi:

A good diagnotic test would be to take the camera outside loaded with
paper. Leave the pinhole shut and leave the camera outside for a few
minutes.

Develop the paper. If any of it is black you likely have a light leak in
the camera - probably the lid. If the camera has a light leak the paper
is getting fogged in the camera. If enought light is getting into the
camera it would turn the paper black.

The reason this may to be happening inside is that the light intensity
inside is not bright enough to significantly fog the paper.

I often do this with a new camera to make sure it doesn't have any light
leaks.

On Sat, 25 Aug 2001, Christopher C. Pearson wrote:

> Hello. I apologize for such an amateur question.
>
> I've attempted to make my first pinhole camera with a Quaker Oaks box. I
> poked my pinhole through a piece of tin (the kind made for cooking pans) and
> taped it to the Quaker cylinder. I'm using Ilford 5X7 Multigrade 4 paper.
> Indoors, I'm getting a proper exposure when exposed for about a half an
> hour.
>
> When I bring the camera outside, and expose for less than a second, my
> picture is totally black with no detail.
>
> What am I doing wrong?
>
> Thanks for listening,
> Christopher
>
>
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---------------------------------------------------------
Gordon J. Holtslander Dept. of Biology
holtsg@duke.usask.ca 112 Science Place
http://duke.usask.ca/~holtsg University of Saskatchewan
Tel (306) 966-4433 Saskatoon, Saskatchewan
Fax (306) 966-4461 Canada S7N 5E2
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Received on Sun Aug 26 11:29:21 2001