> > What formula did you use to calculate the 1/2 and 1/3 stops? > > Drikus > > > In Excel's notation (substitute cell reference for names or, like I > do, define nales for the appropriate columns and have readable > formulae ;o) > > Aperture = 2^(Stops/2) > Stops = 2*Log(Aperture,2) > > Where "Stops" are relative to f1 > > BobT * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
