Re: filmscanners: Stellar ghosts and Leaf 45

["Dave King" <kingphoto@mindspring.com>]

Roger,

was the scratch nearer one edge?  It seems the original poster had
good clean "holes" near the film center, which may be a clue as to
what's going on here.

Dave

----- Original Message -----
From: Roger Smith <rsmith@unb.ca>
To: <filmscanners@halftone.co.uk>
Sent: Monday, May 14, 2001 11:36 AM
Subject: Re: filmscanners: Stellar ghosts and Leaf 45


> At 6:11 PM -0400 5/12/01, Lynn Allen wrote:
> >Anyway, using Harry's pin-prick method with a piece of black neg
leader, I
> >did the same thing Roger did with my Acer Scanwit at 2700dpi
(Stellartest1).
> >No ghosts, no bleeding. Actually, I expected quite a bit of noise,
and got
> >some, but it adjusted right out with the curve tool in MiraPhoto.
>
> I had to admit to Harry that when I lightened up my scan
> considerably (using Photoshop Levels, not rescanning) the ghosting
> did indeed appear. Ordinarily it is masked by the dark background.
> (Minolta Scan Dual II)
>
> At 11:36 AM -0400 5/13/01, tflash 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.
>
> I don't seem to experience much colour fringing. The blue
> areas in the scratch are places my needle didn't remove the entire
> emulsion of the unexposed slide film.
>
> Regards,
> Roger Smith