Archived posting to the Leica Users Group, 1998/01/13
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Lee Kay Ming wrote: > > Hi All, > Do anyone know how to calculate for multi-flash exposure? For > example, if the flash meter read f8, and you need f22 for depth of field, > how many time do you need to fire the flash? > Thanks > Lee Geometric 1 8 2 11 4 16 8 22 16 32 32 45 As you get past 4 flashes reciprocity seems to take over and for 16 you probably need 20 or more, etc. Bracket. Try to avoid. I haven't been able to follow last advice and have done up to 50 pops when desparate and before I had lots of strobe power. donal - -- Donal Philby San Diego http://www.donalphilby.com