Re: filmscanners: Posterization Problem with Silverfast and SS120

[Ian Lyons <ilyons@mac.com>]

> Anyway, this was my
>> first attempt at scanning thin negs with the SS120 and I was dispirited at
>> the results.  Perhaps there is a gain setting somewhere...


Try Option>Special and deselect the Limit Gamma Slope checkbox if already
ticked (it shouldn't be with the 120). The exposure control is also in the
same dialog.






Ian Lyons

http://www.computer-darkroom.com


> From: Jeff Spirer <jeff@spirer.com>
> Reply-To: filmscanners@halftone.co.uk
> Date: Tue, 30 Oct 2001 13:37:59 -0800
> To: <filmscanners@halftone.co.uk>
> Subject: filmscanners: Posterization Problem with Silverfast and SS120
> 
> Here's a change from the endless bickering over technical details...
> 
> I'm trying to scan some nightclub shots, I was forced to shoot Tri-X at
> 1600 and push.  They are pretty soft, as the club was darker than I
> expected and I was getting shutter speeds around 1/4.  Anyway, this was my
> first attempt at scanning thin negs with the SS120 and I was dispirited at
> the results.  Perhaps there is a gain setting somewhere...
> 
> What I got was quite a bit of posterization.  It can be seen in this shot,
> particularly in the face and the cleavage (wait, don't look there!):
> 
> http://www.spirer.com/tessg/piacere3.jpg
> 
> Not great...  I then tried scanning using Insight, and got significantly
> better results, although still not as good as my quickie darkroom contact
> sheet.  The change is quite visible in the face and...well, other places:
> 
> http://www.spirer.com/tessg/piacere3.jpg
> 
> There's still problems with posterization, but it's far less.
> 
> Any suggestions on how to fix this are welcome.
> 
> (And thanks to David from Polaroid for helping me previously.  Turned out
> to be a SCSI problem.)
> 
> Jeff Spirer
> Photos: http://www.spirer.com
> One People: http://www.onepeople.com/
>