Some interesting commentary on Kodachrome IR cleaning
First a Wiki article just about Kodachrome. See the Digital Scanning
and Resoution section: <http://en.wikipedia.org/wiki/Kodachrome>
Next an article specifically about IR cleaning which mentions (much to
my surprise) that IBM invented and sold the rights to Kodak which
eventually found their way into Nikon and Canon scanners. However it's
stated that VueScan and SilverFast have their own algorithm's different
from the IBM originals. No mention of Epson.
Chuck Norcutt
On 3/20/2012 3:23 PM, Joel Wilcox wrote:
> On Tue, Mar 20, 2012, at 10:32 AM, Ken Norton wrote:
>>> Not trying to work you to death; your post on the subject implied to me that
>>> you already knew how to do this stuff and
>>> could simply write about it.
>>
>> At issue is that I've scanned a couple Kodachromes a few months ago
>> where I was able to enjoy the improvements, but didn't have an
>> opportunity to understand what was happening and why. Others have also
>> reported the improvement and it's even referenced in the version
>> notes.
>
> I've recently scanned Kodachrome on both the Polaroid SS4000 and Epson
> V600. On both machines, I noticed improvement over previous sessions
> (entirely done with the SS4000 previously). In other words, the
> difference is not the Epson over the SS4000 but something in Vuescan.
>
> Among other things, I had thought IR cleaning was not supposed to work
> with KM, but it certainly does on the Epson. (SS4000 doesn't have the
> feature.) But the color balance on the SS4000 seems perfect now,
> whereas it was always a bit off before, needed tweaks, etc.
>
> Joel W.
>
>
--
_________________________________________________________________
Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
Archives: http://lists.thomasclausen.net/mailman/private/olympus/
Themed Olympus Photo Exhibition: http://www.tope.nl/
|