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Re: [OM] Nikon V-ED scanner and software test

Subject: Re: [OM] Nikon V-ED scanner and software test
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Fri, 10 Jul 2009 09:52:01 -0400
I couldn't see the flare either until I blocked the light from the 
window.  Although the window faces north the early morning summer sun is 
still pretty bright.  As soon as I blocked the glare the weak flare was 
clearly visible in the black area above the petals.

Chuck Norcutt

Walters, Martin wrote:
> Interesting, I think. Having recently found a new V ED up here, I've
> been wondering about getting Vuescan. Now, I haven't been really
> following Fernando's thread. However, looking at your scans I don't see
> any flare. The scans, with either Nikonscan or Vuescan, look OK to me.
> Perhaps I'm not looking for the flare in the right place? 
> 
> For the time being, I don't expect to be doing a lot of scanning. I do
> have a long-term project to scan my parents slides from the 1960s.
> Nevertheless, I would be interested in your assessment of Vuescan and
> its output relative to Nikonscan. 
> 
> 
> Martin 
> 
> -----Original Message-----
> From: Ken Norton [mailto:ken@xxxxxxxxxxx] 
> Sent: Friday, July 10, 2009 2:08 AM
> To: Olympus Camera Discussion
> Subject: [OM] Nikon V-ED scanner and software test
> 
> I just whipped up a quick comparison of a problem slide in the Nikon
> Coolscan V-ED.
> 
> First image is using NikonScan straight with no processing other than
> ICE dust removal.
> Second image is using NikonScan with DDE and ROC turned on.
> Third image is using VueScan straight.
> Fourth image is using VueScan with Multi-exposure.
> 
> I did make a mistake and didn't catch it until too late, but will redo
> it at some point. The Vuescan output was sRGB whereas NikonScan was
> aRGB. All further modifications and resizings and color-space changes
> for the web was done in PWP 5.0.
> 
> The VueScan images look the same, but if you look at the border (plastic
> frame) of the slide, you'll see that the straight VueScan scan was
> boosted by the software (a bit of auto-exposure in processing) so the
> shadows show no difference as compared to the multi-scan. Also, since
> the output color space was sRGB, the shadow-detail of multi-exposure,
> was kinda lost as those details were within the zone of loss in the sRGB
> color space.
> 
> At least it shows the flare.
> 
> http://zone-10.com/cmsm/index.php?option=com_content&task=view&id=441&It
> emid=1
> 
> AG
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