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Re: filmscanners: Stellar ghosts and Leaf 45




Todd wrote:

> I tried this with my Leafscan 45 And I get color fringing around the holes.
> I pin pricked the black leader from color neg film and scanned it as color
> neg. At 100% The hole edges are ringed with red and green. Does anyone else
> experience this phenomenon? I suspect that my scanner, being a three pass
> design, is having registration problems between the channels, or because the
> red channel typically seems softer than the other channels.

Not ringing but other odd things with a Canon 2710S. My neighbour scanned
the same holes that I had with the Nikon Coolscan IV, and the results were
quite interesting. With his permission I've put the sscans into my web
area. He tells that this is the first time he has seen anything like this
www.astro.utu.fi/~hlehto/nikontest/2710.jpg                   (size 30K)
The image shows the upper right corner of the holed slide. The Nikon scan
of the same area is at
http://www.astro.utu.fi/~hlehto/nikontest/tcrop0004upper.jpg  (size 35K)
These are both from the upper right corner of the slide
http://www.astro.utu.fi/~hlehto/nikontest/tcrop0004small.jpg  (size 23K)
To me the Nikon ghosts look similar to the Canon ones, expect that they
are slighly weaker and that all the colors are pretty much on top of one
another yielding a greyer image. Note that they behave in a similar
coma-like manner!

Regards
Harry
hlehto@astro.utu.fi






 




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