The LCD behavior is normal, culprit being the k7 custom settings. There should be a preflash in all modes but X afaik. If you see the flash light in your viewfinder, it is the preflash.
Do you still have your istDS? Trying the 540fgz on the DS should tell you what part is malfunctioning. On Monday, December 7, 2009, Igor Roshchin <[email protected]> wrote: > > I am totally confused... > I am still trying to figure out how AF 540 FGZ is supposed to work > with K-7. > > I see several strange things: > 1. When the flash is mounted on K-7, whenever the camera is in the > metering state, the green back light on the flash stays on, > and I cannot turn it off by pressing the "light" button. > > I just found that the only way to turn off that light on the flash while > K-7 is in the metering state is to have K-7 in M,B, or X mode, > switch the flash into A-mode, and push the button "light" to switch > of the light. > > This is not how the flash behaves on *ist DS. > > Could somebody please confirm whether K-7 + AF540FGZ indeed behave > this way? > > 2. AF540FGZ in P-TTL modem, when the flash is directed at > the object, produces shots that are between -0.5 to -1 stop > underexposed, if at a distance of more than 3m (10ft) > Using a reflector (I've been using the > Lightsphere Cloud ),- doesn't seem to provide adequate metering: > all shots are 1-2 steps underexposed. > Using the bounce card on the flash also leads to great underexposure, - > even within a rather small room (I tested in the bedroom). > > Using the same flash with *istDS produces very consistent results > with and without Lightsphere Cloud. > > Can anybody confirm that the combination of the AF540FGZ and > some type of reflector on K-7 produces different > metering? > Thank you in advance! > > I suspect if something is wrong with the K-7 (or the flash?), > and I need to exchange them for a proper unit, while I can. > > With all of that I seem to be able to confirm that there is preflash. > My eye cannot notice it, but I confirmed that I can see a flash > through the viewfinder, which, if I am correct, indicates the preflash > happens (i.e. it happens before the mirror is down). > When I am shooting in the A mode of the flash, I don't seem to > see the flash through the viewfinder. > > > Igor > > PS. On top of all that, the flash head has a problem that it does > not go into the full straight position. Weird... > I'll need to exchange it, - but I am still trying to figure out > if I should do the same with the body. > > > > -- > 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. > -- Thibault Massart aka Thibouille/Thibs ---------------------- Photo: K-7, Sigma 28/1.8 macro, FA50/1.4, DA40Ltd, K30/2.8, DA16-45, DA50-135, DA50-200, 360FGZ ... Laptop: Macbook 13" Unibody SnowLeo/Win7 Programing: Delphi 2009 -- 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.
