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Re: filmscanners: Nikon Scan DOES Vary LED Brightness
In a message dated 11/26/2001 5:58:04 PM EST, Jawed@cupidity.force9.co.uk
writes:
> Looking into the scanner ***I could clearly see that the brightness of the
> alternating Red, Green, Blue light differed with each scan***. The light
is
> seen reflecting off the slide mount.
The length of time the LED is on makes it appear to be brighter
or dimmer.
Pay close attention to the scan time as you vary the "analog gain"
(i.e. the CCD exposure time). If the light were simply brighter,
the scan time would stay constant.
Regards,
Ed Hamrick
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