Re: Holga pinhole?

Jon Grepstad (
Sun, 06 Apr 1997 13:37:09 +0100

Clyde Soles wrote:
> Anyone know the optimal size for the pinhole on a converted Holga (and
> what the f/number works out too)? The hole-to-film plane distance is
> about 53 mm. TIA

You will find the necessary formulas and tables here:

Jon Grepstad