Jens, how do you 'let the flash believe that the ISO setting is higher'? I've always just stopped down a stop or two from what the flash recommends and compensated with shutter speed. I don't believe I've ever seen a flash whose sensor is linked to ISO in auto mode.
Don > -----Original Message----- > From: Jens Bladt [mailto:[EMAIL PROTECTED] > Sent: Sunday, February 12, 2006 3:41 AM > To: pentax-discuss@pdml.net > Subject: RE: Super A and fill-in flash? > > > Yes, in a way. If the camera is set to underexpose by three stops - that's > what it will do. > The flash will then try to give enough light for F.8. If you are > out doors, > only the closest part of the image will get light enough for f8. The rest > will be under exposed by three stops. In doors (short distances) you may > very well be right. > But three stops is too much to be named "fill flash". This is more likely > one or two stops. Fill in flash is for harsh light conditions > where you want > to open up the shadows on the subject. You do this by adding a litle extra > light from a flash - perhaps a stop or two less, than you would use if the > scenery was dark. > > For fill flash I don't use TTL. In stead I use the built-in flash sensor - > letting the flash believe that the ISO setting is higher - one or two > stops - than it actually is. > Regards > Jens > > Jens Bladt > http://www.jensbladt.dk > > -----Oprindelig meddelelse----- > Fra: Vic Mortelmans [mailto:[EMAIL PROTECTED] > Sendt: 12. februar 2006 11:12 > Til: pentax epostlijst > Emne: Super A and fill-in flash? > > > Hallo, > > I own the Super A (with TTL-flash) and the AF280T. The manual of this > camera says: "In metered manual mode, speeds slower than 1/125 sec. stay > as are when the dedicated flash recycles. Choosing any slow speed, you > can enjoy existing light photography with flash fill-in." > > So when I put the camera on 'M' and select an aperture like f/8 and a > speed like 1/30 in some environmental light condition where this would > cause an underexposure of 3 stops, I would expect the flash to just give > the necessary light to make this a good exposure. > > Is this actually what the camera does? > > I notice that the flash fires when the shutter opens, so in any way, it > won't take into account the 'available light' hitting the film during > exposure. > > Groeten, > > Vic > > >
