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Sent: Monday, July 23, 2001 1:50 PM
To: [EMAIL PROTECTED]
Subject: Re: Scanning multiple times (was Re: filmscanners: Vuescan
gripes)
In a message dated 7/23/2001 2:19:32 PM EST, [EMAIL PROTECTED]
writes:
Sometime back Ed mentioned there was a SCSI command that causes
an extra
Sometime back Ed mentioned there was a SCSI command that causes an extra 20% exposure
on the scanwit and he enables it always.
Alan
I don't think VS controls exposure time on Scanwits directly - they have
an
autoexposure system with no manual control. However, I agree it appears
In a message dated 7/23/2001 2:19:32 PM EST, [EMAIL PROTECTED]
writes:
Sometime back Ed mentioned there was a SCSI command that causes an extra
20%
exposure on the scanwit and he enables it always.
I vaguely remember someone telling me that Acer claimed there
was a command that caused an
This is an ungrateful thing to say, but in respect to the Acer, I get
somewhat darker scans on *underexposed* negs with the native Mira driver.
That's because the Vuescan driver (at least the way I've been using
it--which is seat-of-the-pants flying, BTW) seems to give a
slightly longer
S. Matthew Prastein wrote:
No, I do not scan 16 times, only 3, but at
highest resolution.
That would be the high 32 in Mira, or 48-bit in Vuescan. I'm not sure this
buys you much with thin negs, but OTOH every little bit helps (pun not
intended). :-)
I _think_ I see improvement in noise
In a message dated 7/20/2001 2:58:04 PM EST, [EMAIL PROTECTED] writes:
I have an Acer Scanwit 2740S, which
requires multiple passes to do a multiple scan. I thought that this
was the right thing to do to get lower noise when scanning at 16x. so
as to be able to average the input from
Thanks for that, Ed. I figured I must be the only one who thought that was
the case..
To be honest I've never used it to help with overexposed negs/ undexposed
slides because my Acer has no trouble with these - from conversations with
other Acer users, I suspect either my lamp is
I seem to be missing something. I have an Acer Scanwit 2740S, which
requires multiple passes to do a multiple scan. I thought that this
was the right thing to do to get lower noise when scanning at 16x. so
as to be able to average the input from successive reads. And, I
thought this would help
I seem to be missing something. I have an Acer Scanwit 2740S, which
requires multiple passes to do a multiple scan. I thought that this
was the right thing to do to get lower noise when scanning at 16x. so
as to be able to average the input from successive reads. And, I
thought this would help
Sorry, Lynn-- my pen flew too fast. I assumed that by 16x, _highest
resolution_ was meant No, I do not scan 16 times, only 3, but at
highest resolution. I _think_ I see improvement in noise levels
then, but I can't convince myself that doing more than 3 scans buys me
anything. But Ed Hamrick
OK-- I was just too hasty and slipshod in my reading. Thanks to you
and Lynn for helping me get straightened out and dried off.
On Sat, 21 Jul 2001 11:12:23 +1000, you wrote:
S. Matthew Prastein [EMAIL PROTECTED] wrote:
I seem to be missing something. I have an Acer Scanwit 2740S, which
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