Re:optimum focal length

Hi,

I purchased a set of micro-drilled pinholes from pinhole resource. There was
a list of apertures & optimum focal lengths included and according to that,
the optimum focal lenght for your .0039" aperture is 7.02mm and the
approximate f-stop is f71.

Gina

http://home.ix.netcom.com/~ginabell/index.html
Received on Sun Feb 3 11:14:35 2002