Jeff and Martin, Thanks for clearing that up... I got it. Jon > Jon: Two basic types of scans, transmission/transmissive and > reflection/reflective. Transmission means the light source is on one > side of the transparancy/positive film/negative film and the detector > is on the other--light passes through. Reflective means the light > source is on the same side of the opaque object as the measuring > device(example photograph on flatbed scanner)--light is reflected > back to the detector. > > Martin is correct, transparancy is a confusing term. > > Jeff Randall > > Jon, > > In photography that is generally true. However, scanning software always has > two basic choices. Is the material to be scanned reflective or transmissive? > With Silverfast the first choice is Transparency or Reflective and the > second choice then is Positive or Negative. > > Terms tend to take on slightly different connotations in different fields. > > Martin
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Re: [Digital BW] Digest Number 926
2002-08-25 by Jon
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