On 7/19/10, Chris Burck <chris.burck@xxxxxxxxx> wrote: > carlos, kodak introduced a dizzying number of film formats over the > years, most of them prior to the first world war. the reason for this > is quite simple: kodak wanted to sell film. you see, there were a > large number of people whose cameras were either designed/manufactured > prior to the introduction of rollfilm. as rollfilm matured and gained > wide acceptance, a demand emerged for rollfilm (and rollfilm holders) > which could be used in these plate (or sheetfilm) cameras. kodak was > happy to oblige. since contact printing was the norm, there was a > huge number of different frame sizes. normally, a given film format > corresponds to a specific frame size, but not always. for example, > 105 film was essentially the same film stock as 120 film, just rolled > onto a fatter spool. interestingly enough, kodak also assigned format > numbers to sheet film packs. > --- Rollei List - Post to rollei_list@xxxxxxxxxxxxx - Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe' in the subject field OR by logging into www.freelists.org - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with 'unsubscribe' in the subject field OR by logging into www.freelists.org - Online, searchable archives are available at //www.freelists.org/archives/rollei_list