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El Sid
Going potty


Reged: 14/04/2003
Posts: 9437
Loc: Sussex-by-the-Sea
Re: D80 + Iso Auto + Flash
      30/06/2008 10:02

Quote:

Yes - but what does it take as the "current ISO"? That from the last shot taken, or something else, because if the scene is dark enough to use flash, it ought to be bumping the ISO up to 800 or more, yet clearly it doesn't do this




As I understand it with Auto ISO the ISO is set to the lowest setting which allow the indicated aperture/shutter ratio to be used. In each mode there is normally a default shutter/aperture combo which I presume take precedence over the ISO setting. The 'current ISO' should therefore be the one which is required to achieve the indicated S/A combination - be that the program default or a personal selection - according to the ambient light being metered.

Of course if the ISO is already at maximum (manually pre-set or absolute) then it can't be adjusted upwards...

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Entire topic
Subject Posted by Posted on
* D80 + Iso Auto + Flash ham888 29/06/2008 09:44
. * * Re: D80 + Iso Auto + Flash El Sid   30/06/2008 09:51
. * * Re: D80 + Iso Auto + Flash sillyconguru   30/06/2008 01:24
. * * Re: D80 + Iso Auto + Flash IvorETower   30/06/2008 07:46
. * * Re: D80 + Iso Auto + Flash El Sid   30/06/2008 10:02
. * * Re: D80 + Iso Auto + Flash ham888   30/06/2008 10:20
. * * Re: D80 + Iso Auto + Flash El Sid   30/06/2008 13:02
. * * Re: D80 + Iso Auto + Flash ham888   30/06/2008 13:15
. * * Re: D80 + Iso Auto + Flash IvorETower   30/06/2008 12:37
. * * Re: D80 + Iso Auto + Flash ham888   30/06/2008 09:12
. * * Re: D80 + Iso Auto + Flash IvorETower   29/06/2008 20:00

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