[filmscanners] Re: Scanning negs vs. slides

["Bob Frost" <bob@frost.name>]

Petru,

I've had slides which had apparently blown-out highlights and deep shadows,
and solved it by scanning them twice in NS  (LS4000) with Analog Gain turned
down (to get the highlights) and turned up (to get the shadows). When I
looked at these two scans in PS, I was quite suprised by how much highlight
detail and shadow detail there was if you get the scanner exposure
appropriate. By superimposing them and painting out the blown-out highlights
from the second scan, I got a very acceptable print from an apparently
hopeless slide.

Bob Frost

At 12:47 16/04/02, you wrote:
>On Mon, 15 Apr 2002 21:17:10 -0400  Petru Lauric >
>Slide often forces you to sacrifice either shadow and/or highlight detail.
>With neg, you can if you wish retain both, by combining (say) an image
>which has good shadows and midtone separation but blown highlights, with
>one where you mask off the image apart from the highlights then adjust for
>those. This works absurdly well, is not difficult, and enables informal
>photography of subjects which would be impossible on tranny without an
>array of studio flash fill-in.


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