On 31/12/2014 03:47, Bernhard wrote:
> Pedro Côrte-Real schrieb am 30.12.2014 um 13:15:
>> On Tue, Dec 30, 2014 at 11:02 AM, Bernhard
>> <[email protected]> wrote:
>>> that's not an option for me since I want to digitize my archive only once
>>> and keep ALL information the scanner deliveres for potential future use and
>>> improvement of the results.
>>> And negatives seem to be very sensitive to scratches :-( .
>> That would be an argument for keeping the IR channel. How can it be
>> used in processing to get rid of scratches?
> Ed Hamrick proposes to use Vuescan to "scan from file" (Vuescan reads
> the raw file produced in the first step instead of reading from the
> scanner) which is much faster, does not touch the original and you can
> test the different settings for scratch removal, grain reduction, color
> recovery etc. very fast to use the best settings for the image you work on.
> This, off course, I will only do for those images I really like or need
> for some purpose.
> All the others get "rough treatment": Invert, Base curve, White Balance,
> exposure.
> Then they will be tagged and rated ... in case I need them later.

Note that IR dust and scratch removal only works with chromagenic films. 
It doesn't work for silver halide B&W or Kodachrome.

Nick

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