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[filmscanners] RE: Digital ICE



> Austin Franklin wrote:
> >
> > > I, naively perhaps, have often thought that simple things like 'sensor
> > > motion blur' and 'scanner shake' might have something to do
> with it. When
> > > looking and listening to my LS4000 scanning, I start to wonder
> > > how long the
> > > sensors actually stays still, and how this relates to the length
> > > of time of
> > > the exposure of the sensors.
> >
> > Hi Bob,
> >
> > The scanner SHOULD be designed so the sensor etc. is motionless (as in
> > paused) when the exposure is taken.  This shouldn't be an issue...if the
> > scanner is designed right.  Good thought though!
> >
> > It's not the sensor that moves, obviously, but the film.
> Exposure can vary
> > drastically, but it's in the millisecond range, like 6-60 if I remember
> > right.
> >
> > Austin
> >
>
> Austin,
>
> I guess it depends on the scanner. My LS-40 holds the film stationary,
> whereas my old HP S10 definitely moves the film during a scan.
>
> --
> Charlie Hoffpauir

Hi Charlie,

What depends on the scanner is if the film or the sensor is stationary, of
course.  Whether the film moves or the sensor moves is not what the
important point was.  If the scanner is designed correctly, the motion of
either should not be an issue.

Along with moving the imaging sensor, and cabling that goes to the imaging
sensor, you have to move the lense too.  Moving the sensor/lense etc.
certainly adds an extra level of complexity, and therefore possible
problems, to the scanner design.

Austin

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