Jawed Ashraf wrote:
>
>>>The LS40 and LS4000 (used with Nikon Scan) do. It's what
>>>
>>happens when the
>>
>>>auto-exposure kicks in (I believe) which changes the brightness of the
>>>"lamp" (there's logic for why I could be wrong - I'll let somebody else
>>>argue the point).
>>>
>>No, they
Jawed wrote:
>An 8-bit A/D really would struggle.
I agree but it was as I mentioned, an artificial example. Maybe I should
have worked with what I actually have, which is a scanner with a 12 bit
A/D that the firmware drops out the 2 LSB from to return 10 bits per channel.
It doesn't matter how
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Rob Geraghty
> Sent: 24 November 2001 12:00
> To: [EMAIL PROTECTED]
> Subject: Re: filmscanners: RE: filmscanners: VueScan clipping & flat
> images
>
>
> "
Jawed wrote:
> I would agree with this. The intention is quite
> clearly to make the data fill the range of possible
> values. For reasons analogous to the use of 16-bit
> scans (really 10, 12 or 14 bits, generally): to
> maximise tonal smoothness and provide resilience
> under further editing.
