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Re: [OM] VueScan specs

Subject: Re: [OM] VueScan specs
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Thu, 05 Aug 2010 19:02:37 -0400
Sounds like a neat trick.  Let us know how it works out.  Still hoping 
to hear from Piers on his experience with Nikon scanner and Kodachrome

Chuck Norcutt


Moose wrote:
> With VueScan, turning IR cleaning on and off and to Light, Med and
> Heavy is a separate setting, not tied to the film being scanned.
> 
> I have some modest experience with Kodachrome scanning and IR
> cleaning.
> 
> The basic problem is that, like the silver in B&W negs, the dyes in
> Kodachrome block IR, so the software often can't distinguish the
> difference between dust and image.
> 
> I found that VueScan IR cleaning worked pretty well in areas with
> little dye, i.e. light areas, like sky. Fortunately, those are also
> the areas most in need of spotting. The black dust specks of scanned
> slides tend to disappear in darker and busier areas. In dark areas,
> IR cleaning did produce some noticeable artifacts, although fewer
> than I expected.
> 
> Next time I do some Kodachrome, I'm going to scan to 64 bit RGBI
> "RAW" without applying any other adjustments, including no IR
> cleaning, just as I usually do. Then I'll "scan"twice  from the RAW
> file for two output files, one with and one without IR cleaning, drop
> one atop the other in PS as layers, paint a layer mask to get the
> best of both, then merge.
> 
> No Spotting Moose
> 
> On 8/5/2010 1:21 PM, Chuck Norcutt wrote:
>> IR cleaning is turned off under which product and what conditions?
>> 
>> I would hope that it's possible to get the IR cleaning on with the
>> Nikon since Piers has shown that his Nikon scanner (model?) was
>> able to do a fair job of cleanup on Kodachrome with IR enabled.  I
>> know IR is not supposed to work on Kodachrome but Piers showed that
>> it does to some extent... at least on his scanner model.
>> 
>> Ken Norton wrote:
>>> The IR cleaning is turned off. That's it.
>>> 
>>> AG
> 
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