Hi Jostein, P-TTL works with my K-5 when using the manual focus A400/5.6. The same was true with my K10, K20, and K-7. However, P-TTL doesn't work with my K lenses. I think autoexposure is the key here. Paul
On Apr 12, 2011, at 6:14 AM, AlunFoto wrote: > 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.
