CORRECTION – Re: Making 2 separate scans to preserve details in shadow and highlight

K
Posted By
kaispowertools
Jul 25, 2003
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(Adrian) wrote in message news:…

re: my original post, I APOLOGIZE deeply, but I was mistaken in stating that they were from the same negative. In fact they are from TWO separate negatives, one exposed for the highlights and another exposed for the shadows and they were composited in the way I described. Obviously, photos with the intent of compositing to compensate for extremes in exposure require that they be taken from identical (by way of tripod) or nearly identical points of view, by reframing according to edges.

Sorry for the mistake, but the tecnique remains the same for layer composite and erasing to bottom layer.

ciao,
Adrian
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correct detail highlight preserve scan separate shadow

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K
kaispowertools
Jul 26, 2003
wrote in message news:…
I think Fuji is trying to do that in the F700 camera with their new super CCD SR photo sensor. For ref URLs see:
http://www.photoprojects.net/fujif700.html
Gene
Actually, what I think would be nice would be a variation of a feature my old Canon T-90 had, a multi-spot mode where you point the 5% circle in the middle on your highlight, press multi-spot metering button, then point the spot to the shadow, and the meter averages the exposure (imagine a subject on stage with a white t-shirt, then point spot to black of background and camera calculates average exposure), the same could be done digitally (theoretically).

Take a spot meter reading of darkest tone and then designate hrightest highlight – and camera calculates and compresses range to hold detail shadow in foreground of darkened room AND highlight in scene outside window. A challenge for camera chip engineers…

Just my UNscientific opinion.

Adrian

"A Picture’s Worth a Thousand Nerds"

http://www.amenfoto.com/

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