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echo: photo
to: LNBOLCH{at}TELUSPLANET.NET
from: TERRY VERNON
date: 2003-02-17 01:59:00
subject: New PhotoSIG Pictures

L > > The result was though, that it looks CK> a little washed out
in places.
L > >
L > > There's no alternative when the brightness range of the subject
L > > exceeds the ability of the film or sensor to record it.
L > >
L > > I always had this problem when shooting planes in flight;
L > > fortunately, no one expected to see much detail in sky.
L > > Darkroom/digital after-work is the only solution...

L > When I first tested pictures shot in RAW format, I saw no advantage whatever
L > over the quality I was getting with best quality JPEGs. However, I have
L > found one use for them.

L > My camera has an auto-bracket feature that allows one to shoot up to 5 shots
L > at up to 1 stop intervals. Then one can layer them and use layer masking in
L > Photoshop and blow away washed-out areas to reveal the detail of the layer
L > below in order to much expand the dynamic range.

L > To a certain degree, one can do the same thing with an image in RAW format -
L > which allows you to set the exposure after the fact. I have a small tutorial
L > on the technique - using auto-bracketing - at
L > http://www.larry-bolch.com/layers.htm

L > A five stop extension is quite significant, and the great part is that you
L > do not end up with a muddy, low contrast picture.

Thanks for the tip!



Terry V.
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