If the K-5 has reintroduced support for P-TTL with A-series lenses, that's great news. I know from experience that the K-7 does not give P-TTL with A*200/4 macro. I tried both the AF540FGZ and the AF160FC ring flash.
2011/4/12 SV Hovland <[email protected]>: > Copied from page 187 in the K-5 manual: > http://album.heime.org/album/temporary/pttl.jpg > > Stig Vidar Hovland > > ________________________________________ > Fra: [email protected] [[email protected]] på vegne av AlunFoto > [[email protected]] > Sendt: 12. april 2011 12:14 > Til: Pentax-Discuss Mail List > Emne: 645D: flash and manual focus lenses > > To those interested in technical stuff about 645D, I've looked at how > flash metering is implemented in 645D. > > As most of you probably know, the K-mount cameras no longer support > the old-style TTL flashes. The last camera to do so was the *istDS2. > Now it's only P-TTL that works. And only with AF lenses. With manual > focus lenses you have no TTL flash metering at all. > > I was worried that this might be the case for 645D too, but > fortunately P-TTL works with the 645A-series lenses too. If you can > live with inconsistencies in automatic white balance. A minor nit, in > my opinion. > > Full-length meanderings here: > http://alunfoto.blogspot.com/2011/04/645d-part-3.html > > Jostein > > -- > http://www.alunfoto.no/galleri/ > http://alunfoto.blogspot.com > > -- > 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. > -- http://www.alunfoto.no/galleri/ http://alunfoto.blogspot.com -- 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.

