Re: 35mm Film Scanners

[Otto Giesenfeld <otto.giesenfeld@xxxxxxxxxxxx>]

--On den 11 december 1999, 03:22 +1100 Ben Kreunen
<ben@xxxxxxxxxxxxxxxxxxxxxxx> wrote:

> Secondly... if your negatives have a lot of light areas (eg. lots of
> black  sky) try scanning it in as a BW POSITIVE and then inverting it.
> There is a  difference between the two methods as the software appears to
> calculate an  exposure to maintain either high density detail or low
> density detail  depending on whether it is scanning as a positive or
> negative. I found  scanning BW fluorescence microscopy negatives have to
> be scanned this way  in order to maintain highlight detail.
> 

It might even be worthwhile scanning as a COLOR positive. The
different-wavelength light of the three color channels might react
differently to the coarse grain structure. Also, I have seen
recommendations to use the curves tool in Photoshop extensively to control
shadow/midtone/highlight contrast when scanning black and white.

Otto Giesenfeld
*
****
*******
******************************************************
*  To remove yourself from this list, send:          *
*         UNSUBSCRIBE INFRARED                       *
*       to                                           *
*         MAJORDOMO@xxxxx                            *
*----------------------------------------------------*
*   For the IR-FAQ, IR-Gallery and heaps of links:   *
*  http://www.a1.nl/phomepag/markerink/mainpage.htm  *
******************************************************