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Re: filmscanners: Vuescan and Overexposed Negs

On Thu, 02 Aug 2001 13:16:29 -0400  Stephen Jennings 
(sgjennin@ix.netcom.com) wrote:

> I have a neg of a bride in window light and her gown is burned out.  Any
> suggestions for bringing in detail in the scan process?

Assuming there is detail on the film ;) one way is to scan in 16bits, 
adjusting Vuescan's 'colour/contrast' control so you get a scan which is 
somewhat washed out and low-contrast = file A

Then do a set of level adjustments which get the midtones and shadows right 
in PS, reduce to 8 bits *and save as a different file* = file B. If you do 
colour and saturation adjustments, make a note so you can repeat them at 
the next stage (or save as an action, excluding the levels).

Reopen the 16bit original, and do adjustments for the highlights alone. 
Reduce to 8 bits. Do a selective colour mask (or lassoo) on the highlights, 
just enough to capture the detail missing from file B, feather the mask (I 
usually use 50 pixels to keep it nice and soft-edged) and copy and paste 
into file B. Alignment is specially easy if the mask goes to an edge, 
but do it at high magnification so you get it pixel perfect. Merge down and 
save as file C, the final scan. Delete A and B if happy.

I've not come across any original which defies this technique, but it will 
also depend on the capability of your scanner


Tony Sleep
http://www.halftone.co.uk - Online portfolio & exhibit; + film scanner info 
& comparisons


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