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Re: filmscanners: exposing C41 for scanning ( was gibberish header)

On Thu, 28 Jun 2001, Tony Sleep wrote:

> Yes, C41, processed normally. ISO ratings are often a bit optimistic, and 
> an extra half-stop or so can help reduce grain and add separation in 
> shadow areas by adding some density. The overlapping dye clouds softens 
> the appearance of grain boundaries. There's usually plenty of latitude to 
> accomodate this without running into highlight blocking.

Maybe 1/2 stop on C41 film isn't much to 
quibble over, but I wonder about the wisdom 
of overexposing C41 film that will be 

In my experience, it's the dense images that 
are more likely to stress the scanner into 
banding.  Alas, I have seen this even with 
my LS-8000.  It's mortal, after all (boo hoo.)

Mildly off-topic, but it's been hot as hell 
over here on the US east coast in the last 
few days, and I'm wondering if that isn't 
at least partly the cause of my scanner's 
recent misbehavior.  Scans done very early 
this morning (while room temp was still 
reasonable) came out fine.

rafe b.


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