Don't know if this answers it, but.. Pg 89 in the 540 manual includes the following: "Flash duration (1/2 peak each)--(M1/1)flash; Approx. 1/1200 sec. (TTL) Fastest duration time: Approx. 1/20000 sec.".
Jack --- On Fri, 12/25/09, Larry Colen <[email protected]> wrote: > From: Larry Colen <[email protected]> > Subject: How many watt-seconds is the AF-540? > To: "Pentax-Discuss Mail List" <[email protected]> > Date: Friday, December 25, 2009, 8:54 AM > I'm curious about the difference in > power between my on camera flashes and studio flashes. When > I look for specs on the AF540 I can find guide number, but I > can't find it in Watt Seconds. Anyone know where to find > this number? > > > -- > Larry Colen [email protected] > sent from i4est > > > > > > --PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link > directly above and follow the directions. > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
