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[filmscanners] Re: Nikon Supercoolscan 5000 ED



I can see how banding would be a problem. So is the 5000 ED
significantly better than the Minolta 5400 II? The nikon is nearly twice
the cost and slides are 99% of what I scan, i.e. no problem with film
strips.

Arthur Entlich wrote:

>Speed.
>
>It can scan 2 or 3 scan lines at the same time, using the same lighting
>sequencing and same stepper motor position.  The lines are not necessary
>right next to one another, in fact, they probably aren't.
>
>The only problem Nikon has run into with this technique is banding,
>since by doing several lines at once, spaced apart, by the time the
>adjacent line gets next ti it on one side, the dimensions or position
>might have changes due to thermal changes or other factors.  This was a
>problem with earlier medium format models, but perhaps it was resolved.
>
>On those models Nikon suggested moving to ultra fine scanning mode which
>used only one CCD line, but also slowed the unit down by 1/3rd or so.
>
>Art
>
>lists@lazygranch.com wrote:
>
>
>
>>Any ideas why Nikon would need multiline CCDs? The 5000 uses 2 lines,
>>and the 9000 uses 3 lines.
>>
>>Since Nikon doesn't use color masks, you would think a one line CCD
>>would be sufficient.
>>
>>
>>
>>
>>
>>
>
>
>
>
>

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