Re: Pinhole sharpness.

Mark Tranchant (
Tue, 15 Jul 1997 08:18:08 +0100

Geoffrey V. Brown wrote:

> Well, I got my pinhole pictures back, and the exposures were almost
> dead
> perfect.
> Sharpness, on the other hand, left something to be desired. The
> material that I made the pinhole in was about 1mm thick. I think that
> this might have caused some reflections and so forth, but I'm not
> sure.
> Can anyone offer suggestions for improving the sharpness of the image?
> Does it have to do with the pinhole size, or something else?

Ansel Adam's <i>The Camera</i> book has a brief section on pinhole size
and thickness.

Mark Tranchant
My opinions are not necessarily those of my employer.