Yes, I managed to scratch a film some months ago. I also sent 3 rolls
of 120 film (PanF and SFX 200) to a "good" lab last year (Colab) and it
came back with water marks in the sky tones ... aaaargh1
Chris
On 28 Jul 2004, at 16:07, AG Schnozz wrote:
> Several methods work great:
>
> 1. Photoflo (or equivelent). I use a fraction of the recommended
> amount because it tends to leave a film and/or blotches behind.
> I use carbon-filtered water for the photoflo.
>
> 2. Distilled water. Final rinse is with Distilled water. Let
> soak for a couple minutes to make sure all deposits are
> disolved/washed off the film.
>
> Either way, I very aggressively shake the water off the film
> (while still on the reel) before hanging. This way most of the
> water remaining will tend to evaporate rather than run down the
> film.
>
> I don't recommend ANY form of detergent as it will leave a
> residue behind. Also, heat or airflow for drying isn't
> necessarily a good idea because of dust. I prefer to keep the
> air still around the film during the drying process. A hairdryer
> will blow burnt dust particles which settle into the emulsion.
> Once the emulsion is dry, they have become imbedded inside the
> geletin forever. You can't even soak them out.
>
> Many people squeegy the film. A film squeegy can scratch the
> film if a particle gets lodged in the wrong place. Scratching
> the base is repairable with nosegrease, but a scratched emulsion
> will make you cry. Squeeging the film with your fingers will
> usually add MORE water to the film and will almost always make
> it spottier. Just shake well and hang with minimal contact.
> Use a clothesline clip on the bottom to keep it hanging
> straight. Leave the room and don't touch it for at least 12
> hours. The emulsion will remain soft and easily scratched for a
> good 24 hours afterwards. I usually try to go 40+ hours before
> printing up the negs. If you cut and sleave the film before the
> emulsion is hardened, the plastic will tend to "smooth" the
> surface in strange ways.
>
> AG
>
>
>
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<|_:-)_|>
C M I Barker
Cambridgeshire, Great Britain.
+44 (0)7092 251126
ftog at threeshoes.co.uk
http://www.threeshoes.co.uk
http://homepage.mac.com/zuiko
... a nascent photo library.
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