Each succeeding fstop is simply the diameter of the aperture divided into the distance from pinhole to film. The specific numbers are traditional and represent a set of diameters that yield aperture areas that are double or half the adjacent one. ----- Original Message ----- From: "ragowaring" <ragowar...@btinternet.com> To: <Pinhole-Discussion@p at ???????> Sent: Monday, October 29, 2001 3:57 PM Subject: [pinhole-discussion] f stops
> Hello Everyone > > I have been following your conversations and have found them very > interesting. I am relatively new to pinhole, about two years now since I > first saw what was going on the web. I am a painter and find that > photography makes an interesting a refreshing adjunct to my work. Pinhole > photography is a wonderful way to make images and use your imagination. > > 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. I once saw a list on the web > and have never been able to find it again. I think you will all know what I > mean 5.6, 8, 11, 16, 22, 32 etc up to 1000 or whatever. > > I would find this immensely helpful when calculating exposures and designing > cameras. > > Alexis > > > > > > _______________________________________________ > Pinhole-Discussion mailing list > Pinhole-Discussion@p at ??????? > unsubscribe or change your account at > http://www.???????/discussion/ >