The AF540FGZ does both TTL and P-TTL, the AF500 does not do P-TTL or analog TTL (the latter I'm not 100% sure of).
-Adam Jens Bladt wrote: > BTW: > The AF500FGZ features both TTL and P-TTL, so it can be used successfully > (TTL or P-TTL) with almost any Pentax SLR camera - since 1983 (Super A) with > a few exceptions -like P30, P50, ... > > I'm gonna get me one of those soon - I whish :-) > Regards > > Jens Bladt > > Latest photographs: http://flickr.com/photos/bladt/ > http://www.jensbladt.dk > +45 56 63 77 11 > +45 23 43 85 77 > Skype: jensbladt248 > > -----Oprindelig meddelelse----- > Fra: Jens Bladt [mailto:[EMAIL PROTECTED] > Sendt: 2. marts 2007 11:40 > Til: Pentax-Discuss Mail List > Emne: RE: older flashes with K10, Pentax's response > > > cbwaters wrote: > The AF220T and AF280T flashes can definitely be used on the new K10D, >> however it will only work in manual mode." >> >> Now you know. > > Not true, body! > Any dedicated flash can be used in ANY mode on the K10D. (Except they don't > do TTL with the K10D - no flash does TTL on K10D!). > > There's is one exception though - flashes like the old AF500FTZ, that does > NOT feature Automatic Aperture modes (it simply doesn't have a sensor in the > flash unit). > This flash sucks with the K10D - it does only full power or TTL!. > > The K10D does P-TTL - (which requires a P-TTL flash like the AF360FGZ or > the AF540FGZ.), which is a sort of "pre-fire-and-meter" kind of TTL - > perhaps superior to ordenary TTL, perhaps not. > > Regards > Jens Bladt > > Latest photographs: http://flickr.com/photos/bladt/ > http://www.jensbladt.dk > +45 56 63 77 11 > +45 23 43 85 77 > Skype: jensbladt248 > > -----Oprindelig meddelelse----- > Fra: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] vegne af mike > wilson > Sendt: 2. marts 2007 10:16 > Til: Pentax-Discuss Mail List > Emne: Re: older flashes with K10, Pentax's response > > > >> From: "cbwaters" <[EMAIL PROTECTED]> >> Date: 2007/03/02 Fri AM 12:17:43 GMT >> To: "[email protected]" <[email protected]> >> Subject: older flashes with K10, Pentax's response >> >> After reading some posts a while back about the possibility of wrecking > the >> K10's flash circuit by using older flash units, I have been reluctant to >> mount my 280T or 200T to the camera. >> I looked at the new "digital ready" flashes online but I have really worn >> thin the good graces of the Finance Mistress with the purchases of late. >> The only remaining path was to ask Pentax if I could safely use my old >> flashes. >> >> Here's their response: >> "The K10D is not compatible with a TTL flash in automatic mode. The >> recommended flashes are P-TTL types such as the AF360FGZ or the AF540FGZ. >> The AF220T and AF280T flashes can definitely be used on the new K10D, >> however it will only work in manual mode." >> >> Now you know. > > A pity that it is utter twaddle. My assumtion from those statements is that > the older flashes will not do the "automatically set shutter speed and give > 'ready' indication in the viewfinder". What Pentax calls "dedication". If > the body will trigger the flash in manual mode, then auto must work. It > requires the same trigger and makes its own decision as to when to quench. > > > ----------------------------------------- > Email sent from www.virginmedia.com/email > Virus-checked using McAfee(R) Software and scanned for spam > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.446 / Virus Database: 268.18.5/707 - Release Date: 03/01/2007 > 14:43 > > -- > No virus found in this outgoing message. > Checked by AVG Free Edition. > Version: 7.5.446 / Virus Database: 268.18.5/707 - Release Date: 03/01/2007 > 14:43 > > -- > No virus found in this outgoing message. > Checked by AVG Free Edition. > Version: 7.5.446 / Virus Database: 268.18.5/707 - Release Date: 03/01/2007 > 14:43 > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.446 / Virus Database: 268.18.5/707 - Release Date: 03/01/2007 > 14:43 > > -- > No virus found in this outgoing message. > Checked by AVG Free Edition. > Version: 7.5.446 / Virus Database: 268.18.5/707 - Release Date: 03/01/2007 > 14:43 > > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
