D
DavidTT
Don said:It's a difference in design and target audience.
Both VueScan and SilverFast are "point-and-shoot" programs similar to
disposable cameras. OK for casual tourist but not for people who care
for quality or have an inkling of what they are doing. Nothing wrong
with that if that's what they are after, but...
What you are saying above is essentially: Hasselblad is garbage, Kodak
Instamatic is far superior - fixed focus, auto-exposure...
Forgive me, but that is just plain nonsense. Exactly the opposite is
true.
By doing image editing at the scanning stage you irreparably *corrupt*
the image at the earliest possible stage and with the crudest possible
"tools".
If, instead, you scan as faithfully as possible you will have the
equivalent of a "digital negative". After that you can edit as much as
you want and still have the original untainted - should you change
your mind.
By "adjusting" the image at the scanning stage using the Preview
"keyhole" you are just irretrievably damaging data coming from the
scanner. Something which is often impossible to correct later and
certainly not without additional loss of quality.
Don.
Thanks Don. I couldn't have responded better.
Aside from capturing a raw scan, a scanner's sw (native or third party)
edits the information in the raw scan to produce a "good" scan. Its ease
of use can be a benefit for the novice as well as to the pros, while
editing a raw scan in PS takes a lot more skill and effort.
Editing a digital image with any sw means shuffling or losing
information in that image. Before being edited by a scanner sw, a raw
scan has all the image's information intact. When editing in PS, you can
preserve the original raw scan, and can track what information is being
lost as you go. When editing by a scanner sw, you don't know what
information is lost and can never recover it. PS' editing tools are far
superior than any scanner sw can offer, but you do need to learn how to
operate them.
Those who suggest to get a "best scan" from the scanner sw before
editing in PS fail to mention how a scanner sw achieves this. A
scanner's hardware offers little or no exposure control, much like a
disposable drugstore camera. The user interface has exposure control and
film type selection, etc., leading the uninitiated to believe that they
are operating a Nikon F5. In reality, all these controls are done by the
scanner's sw.
Real World Scanning and Halftones (3rd Edition) by David Blatner got
this right, and NOT Scantips, etc. One middle of the road recommendation
in the book is to make moderate edits in a scanner sw to ease the
process and minimize the information loss, and make final and critical
edits in PS.