Like Stig, I almost always use ISO 400 when shooting indoors with flash. I wouldn't even consider ISO 200 when using a lightsphere. Paul On Dec 7, 2009, at 1:53 AM, Stig Vidar wrote:
> Light in LCD: Its the same on my K-7. I think it is synchronized with the > light in the lcd on the camera. Try to turn of the light in the custom menu. > > Exposure: Your *istDS have a base iso of 200 and your K-7 a base iso of 100. > When testing, do you have both cameras on the same iso value? Diffusors and > bouncing are stealing a lot of light. Are you sure your flash is powerful > enough. Try increasing ISO. I am almost always using ISO 200 to ISO 400 when > using a flash. > > My own impression is very good results with this flash on K-7. > > Stig Vidar Hovland > > ________________________________________ > Fra: [email protected] [[email protected]] på vegne av Igor > Roshchin [[email protected]] > Sendt: 7. desember 2009 05:44 > Til: [email protected] > Emne: AF 540 FGZ - I am totally confused -- need help from K7+AF540FGZ owners > > 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. > -- > 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.

