Re: Why is Silverfast better?

[rafeb <rafeb@channel1.com>]

At 04:05 PM 1/8/00 -0800, you wrote:
>
>
>--- Fletcher Manley <fletch@ncia.net> wrote:
>> Jerry -
>> I have recently used Silverfast as the operating software packaged with
>> the Leica digital
>> camera. Coming from many years as a high end production scanner
>> operator(Hell,diNippon
>> Screen) I am a bit of the old school of thinking that says that the best
>> scan results are achieved by doing your image editing at the scanner
>> while the data is in it analogue state(before it is converted to digital
>> data). 
>
>Flecther,
>
>Unlike many young thinking people today, not everything "old school" is
bad or
>wrong. However, please help me understand what you mean by your statement,
>"while the data is in its analog state". Other than exposure and focus,
how are
>any image elements edited before they are converted to bits? Unless there are
>some manipulations that I am unaware of (which is entirely possible), the
>scanner software peforms its operations after the scan. Mind you, it my seem
>like tey're being performed during the scan, but what happens is the scanner
>scans some data, manipulations are performed, then it scans some more, the
new
>data is manipulated, then again, and agian, until the entire frame is
scanned. 


Mike:  the exposure control might be though of
as analog, in this context.  I'm still of the
opinion that even in (or especially in) a scanner, 
"exposure" control must occur before the signal
is digitized.


rafe b.

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