> ----- Original Message -----
> From: "ragowaring" <ragowaring@btinternet.com>
> > Anyway, enough of an introduction; could anyone please tell me how to
> > calculate the natural progression of f stops doubling exposure from one
> > number to the next, or post a list of these.
They follow a geometric progression that make the f/stops increase by a
factor of square root of 2
Need a more complete explanation? let me know.
Guillermo
Received on Tue Oct 30 10:02:26 2001
This archive was generated by hypermail 2.1.8 : Mon 13 Dec 2004 - 23:33:28 PST