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Re: filmscanners: USB and data transfer as a constraint on time needed to scan
paul writes ...
> The new Nikon and Minolta scanners use USB rather than SCSI to
> with the computer. Since USB has a lower data transfer rate than
> was wondering wether this makes any difference for the overall
> time needed to complete a scan. Is data transfer speed the limiting
> constraint on the amount of time needed to complete a scan, or is
> some other aspect of the scanning process that constrains speed?
I would believe a scanner is faster than USB, but not by much.
The primary time constrant should be that of exposure ... that is,
image brightness values are more dependent on what the CCD needs for
integrating the signal, rather than how fast the data can be sent to