-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Julian Robinson
Sent: 27 November 2001 04:49
To: [EMAIL PROTECTED]
Subject: Re: filmscanners: Nikon Scan DOES Vary LED Brightness
If I was designing the thing, I would use a combination of both
In a message dated 11/27/2001 4:28:19 PM EST, [EMAIL PROTECTED]
writes:
Ed asserted the scan speed is proportional to the analog gain setting. Well
it isn't proportional.
Yes, it is. You need to use bigger values for the CCD exposure
to see this though, since it isn't proportional for
Well, in disbelief, I have just done a test. With Nikon Scan 3.1.1 running
stand-alone.
Nikon Scan has four sliders for Analog Gain: Master, Red, Green and Blue.
They work additively, i.e. Red brightness equals Master + Red.
In my test I used a slide that I have lying around (i.e. I didn't use
In a message dated 11/26/2001 5:58:04 PM EST, [EMAIL PROTECTED]
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
