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.

Reply via email to