On Mar 17, 2011, at 2:46 AM, Larry Colen wrote: > Tonight, I was trying the K-5 out with flashes. I was mostly trying to use > the pop-up and the AF540 as fill flash with the stage lighting. I was having > an expected amount of difficulty, when I tried to set the pop up to control, > rather than master, and all it would do is fire the 540 as preflash, but > wouldn't actually fire the 540 for the shot. > > Except for once, right after power up. Also, even in slave mode, the 540, > which I can never get to stay in M on the camera, would only go into M or A > in wireless, and would never work as wireless P-TTL. I did RTFM, Page 192 of > the K-5 manual If I Recall Correctly. > > I'm sure that there is something simple, that I'm missing, but I'm missing it.
The answer actually came from the DPR Pentax SLR forum: Russel Evans wrote: > > Now that I have a K-5, which actually has metering that works, I was trying > > to use the 540 as a wireless slave, as controlled by the pop-up flash. It > > won't work, either on the K-5 or on my K-x. It triggers on the pre-flash. > > You have the wireless set up in S2 mode which is the simple optical slave. > You need to switch to S1 to use P-TTL wireless. Press and hold the light > button until S2 appears and then hit the *S* button to switch into S1. P-TTL, > manual, and Auto flash are available in S1 mode. > > > > It wouldn't be so bad if I could just use my pop-up flash in manual mode, > > with controllable levels. I'd just run everything in manual, and be better > > off, but if I want a manual flash, I have to mount another external flash, > > or use something that blocks out the p-ttl contacts. > > The aperture A mode is what controls P-TTL on the on board flash. If you move > the aperture ring to a fix aperture on the lens, the pop up flash will fire > as a manual flash and at full power. So, I was missing something blatantly simple. Oh well. I'm going to have to try the aperture ring trick with the popup flash, but that probably means I lose exif data on the aperture. Not that that is totally critical, just a mild annoyance -- 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.
