[filmscanners] Re: Scanning Shadows

["Ken Durling" <kdurling@earthlink.net>]

On Tue, 22 Jan 2002 13:36:28 EST, you wrote:

>Beginers question here...
>
>I just used my Canon FS4000 to scan a slide of a view of  trees in autumn
>taken with a wide angle lens and looking upward with the trunks running from
>top to bottom in the frame.  Most of the trunks are dark and the leaves well
>exposed.  How does one deal with improving detail in the shadows or
>underexposed region of a slide?
>
>I would presume that the first step is to examine the slide.  If it is
>exceedingly dark with no detail I presume that it is impossible to extract
>detail.  What if it is underexposed, but some detail is still there...what is
>the best way of maximizing the amount of detail in the scan and in subsequent
>editing?
>
>How much benefit would multi pass scanning in VueScan be...does this just
>limit noise in dark areas or will it also extract detail?  What would be the
>best way to deal with the image in an image editing program...try to mask out
>the rest of the image and expand the contrast in the dark area?
>
>Thanks .



Hi Howard - 

A common question, which I had myself not too long ago.  I got a lot
of good suggestions from the good folk here.  Try going back and
reading the thread "Tips needed on difficult scan" - I got lots of
terrific ideas from it. 

 
Ken

----------------------------------------------------------------------------------------
Unsubscribe by mail to listserver@halftone.co.uk, with 'unsubscribe 
filmscanners'
or 'unsubscribe filmscanners_digest' (as appropriate) in the message title or 
body