Archived posting to the Leica Users Group, 2002/06/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]The film's technical data sheet states that the film speed without a filter is ISO 32, and the film used with a red or orange filter should be exposed at f/5.6 at 1/60 in normal sunny conditions. EI 400 is way too fast. Allan On Friday, June 21, 2002, at 11:20 PM, Greg J. Lorenzo wrote: > I've never photographed with IR film but I bought some Konica IR750 to > try out. > > Konica rates film speed at 32 ISO for this film without use of a > filter. But what is the correct ISO setting when using a Wratten #25 > Red Filter with a M6TTL camera? > > I assume that the meter sees more light than it thinks it sees and that > I should rate the exposure at about 400 ISO? > > TIA for any recommendations. > > Regards, > > Greg > > > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html > - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html