[filmscanners] Re: Flattening negatives

["" <doogle@doogle.com>]

Date sent:              Sun, 10 Mar 2002 14:21:20 +0100
Send reply to:          filmscanners@halftone.co.uk
From:                   "Matthias Felsch" <box2@mfelsch.de>
To:                     doogle@doogle.com
Subject:                [filmscanners] Re: Flattening negatives

>
> ----- Original Message -----
> From: <doogle@doogle.com>
> To: <box2@mfelsch.de>
> Sent: Sunday, March 10, 2002 4:28 AM
> Subject: [filmscanners] Re: Flattening negatives
>
> I agree with nearly everything you say, but one thing is different:
>
> My slide films are (slightly) curved, when developed in a dip- and - dunk- 
>processor,
> and they are completely flat, when developed in a big lab with roller 
>machines...
> I made this experience (and the others regarding scratches and dirt, too :-( 
>) with
> several labs of each kind.
> I never found a dip- and- dunk- lab that could deliver the films as flat as 
>they come
> from the roller- processing lab.
>
> Matthias

Interesting.
I mainly do E-6 and often get unmounted rolls.
The pro place I use (dip and dunk) are flatter than the one hour place I 
ocassionally use (roller
transport). I only use the one hour place when I'm in a bind, as the do Sat. 
processing and the
other place doesn't. Maybe I need to test C-41. (actually, I'm not sure what 
kind of processor the
pro lab uses for C-41, come to think of it).
Of course, curl aside, the one place is a joke, quality control wise, at least 
for E-6. I can turn in
even something simple, like PowerPoint shot image and get different color 
balance/density for
every day, and even bigger diffs from week to week. Same price both places, too.

Mac
====================
>
> >Generally, roller transport processors are the worst for everything. They're 
>kept at the maximum in
> >control development temps for minimum time span runs (if indeed they are 
>kept "in control" at all).
> >They are often "one shot" chemistry feed, rather than replinishment method, 
>and the final drying
> >section is simply too hot. And of course they are dirty, prone to junk 
>embedded in emulsion and
> >scratching.
> >
> >If you can find a place that does "dip and dunk" processing you'll be much 
>happier. With E-6,
> >they are also the best for tight processing controls, assuming the place 
>keeps a close finger on
> >the pulse (which most do, as the machines are generally $50K and up).

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