No, the Pentax 540 and 360 dedicated flashes provide high speed synch with late model cameras. However, it's at diminished power. Paul
On Nov 21, 2010, at 6:41 PM, J.C. O'Connell wrote: > don’t you need a special flash to sync at 1/800 sec? > > -- > J.C. O'Connell (mailto:[email protected]) > Join the CD PLAYER & DISC Discussions : > http://tech.groups.yahoo.com/group/cdplayers/ > http://launch.groups.yahoo.com/group/cdsound/ > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf Of Tim > Bray > Sent: Sunday, November 21, 2010 12:11 AM > To: Pentax-Discuss Mail List > Subject: Re: PESO - birdy > > > Wow, excellent. I think you got everything out of that lens that it has to > give. -T > > On Sat, Nov 20, 2010 at 6:01 PM, Bob Sullivan <[email protected]> wrote: >> Paul, >> Very nice and close! >> Regards, Bob S. >> >> On Sat, Nov 20, 2010 at 7:47 PM, paul stenquist >> <[email protected]> wrote: >>> That much I'm sure of. I think it's some kind of sparrow. It was only >>> a wee bit bigger than the chickadees. In any case, I'm pleased in >>> that the A400/5.6 doesn't seem to fringe as much with the K5 as it >>> did with the other Pentax DSLRs. Or maybe I just got lucky. Not >>> enough samples to say for sure. >>> >>> K-5, A 400/5.6, ISO 1250, f5.6, 1/800th, AF 540 flash with Xtender. >>> >>> http://photo.net/photodb/photo?photo_id=11980010&size=lg >>> >>> >>> >>> -- >>> 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. >> > > -- > 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. -- 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.

