Thanks. I did not know that. I will save your email and try that next
time I use VueScan. Someone should write a better manual than the one
Hamrick provides.
Winsor
Long Beach, California, USA
On Oct 13, 2004, at 7:25 AM, AG Schnozz wrote:
>> The way I understand scanners is that adjusting the brightness
>> of the
>> image is just a software adjustment of the driver. You get the
>> same
>> basic raw scan each time. You can't adjust the lamp
>> brightness. There
>> is no aperture.
>
> Not necessarily. A program such as VueScan will control the
> scanner in ways not originally intended by the manufacturer. In
> the specific case of my Nikon blurrscan, it causes the sensor to
> slow down and park over the emulsion longer.
>
> In Vuescan, on the first tab, at the bottom you have exposure
> controls when you click the Auto-Exposure off. Crank the
> exposure up to 5 or more and see how much longer it takes to do
> the scan.
>
> Generally, when I scan negs or slides with Vuescan, I've got the
> levels controls (Color Tab) turned to off or manual. This way
> I'm seeing what the scanner is seeing. Popping over to the
> histogram you can see how much exposure room you have to play
> with. Go back to the first tab, adjust exposure and hit
> preview. Check to see the new histogram and repeat until you've
> maximized the range. Only then do I consider turning anything
> back on in the color tab. I chased my tail with out-of-gammut
> problems until I started doing this procedure. Usually, though,
> I just scan it without color changes and just correct everything
> in the editors.
>
> AG
>
>
>
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