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Old April 1st 04, 04:57 PM
Bill Tuthill
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Default difficulty drum scanning negatives

In rec.photo.film+labs Gregory W Blank wrote:

I find NPS to be really a horrible film to scan for whatever reason,
E100 films are T grain color emulsion. NPH (400 asa) scans better
than NPS.


Agreed. NPS *is* grainier than 100G using the 2.5 RMS conversion formula:

NPS RMS 4 * 2.5 = 10
100G RMS = 8

Currently 100 speed slide films are better (lower grain, higher resolution)
than 100 speed negative films, with the possible exception of Reala.

However 400 speed print films are better (lower grain, higher resolution)
than 400 speed slide films, although Provia 400F is better than some.