Author Topic: film drying in strong wind!  (Read 896 times)

choppert

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film drying in strong wind!
« on: September 06, 2010, 12:00:39 PM »
Hmmmm,

Today's good idea was to use the strong wind to dry a film I was processing at my folks'.

Have a look at this snap.

Where the final water drop remained the film looks to have physical indentations!  Oooops.

Could this be from where the film was twisting in the breeze?
Does anyone think re-washing with wetting agent (which I'd diligently forgotten to bring with me) when I get home and hanging to dry slowly will reduce these blemishes?
I suspect that as the film is physically damaged I've buggered up the film?

Yet another first (and last)!


Chops
« Last Edit: September 06, 2010, 12:03:04 PM by choppert »
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jojonas~

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Re: film drying in strong wind!
« Reply #1 on: September 06, 2010, 12:08:06 PM »
wetting it up again sounds like a good idea. softening up the film might get it back in shape. atleast a bit, that looks harsh D:
/jonas

Mike (happyforest)

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Re: film drying in strong wind!
« Reply #2 on: September 06, 2010, 12:57:39 PM »
Chops

I'm surprise bugs & debris don't appear to be a problem!

It will not hurt to rewet and dry again but if you have got bits on the emulsion side this may not eliminate these.

Mike

Francois

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Re: film drying in strong wind!
« Reply #3 on: September 06, 2010, 05:49:48 PM »
Not that it's directly related... but I once saw a documentary on PBS where they explained how evaporation worked. It's pretty amazing because it's not totally obvious.

It so happens that the sun is a much bigger source of evaporation that wind. The photons give energy to the molecules at the surface which gain a charge which causes them to jump off the surface. Pretty weird stuff I know.

So, if you plan on drying film outdoors, a quiet sunny location is better than a wind swept one :)
Francois

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Re: film drying in strong wind!
« Reply #4 on: September 06, 2010, 06:24:09 PM »
When I was in a hurry, I used to run the fixed / wet negative through a bath of methylated spirit which "absorbs" moisture. Not sure it did the neg any long term harm but it meant almost instant dryness and allowed me to get printing very quickly.

Try it on a non-important roll of film....
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