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Re: Little white spots and static electricity
- From: aeophoto@xxxxxxxxxxx
- Subject: Re: Little white spots and static electricity
- Date: Thu, 09 Apr 1998 06:19:35 GMT
On Thu, 09 Apr 98 15:07:18 +1000, Peter B wrote:
>
>
>This is an interesting theory Angela. Static electricity can be generated by
>friction between two bodies. Eg. the Film(polyester) and the changing bag. Or
>the film and the (plastic)take-up spool. And the amount will depend on a few
>factors too, such as : how humid the surrounding environment is (ironically DRY
>is worse than wet), what the two bodies are made from, and how fast they are
>rubbed together.
>
>A static electricity discharge, onto the film, even too small to hear could
>easily do damage to the film's surface. If you need to know how much the
>environment may be prone to static , take off a sweater inside in a room with
>all the lights off, and if it's dry enough then watch/hear those sparks fly.
>
"Darkroom Dynamics" suggested gently wiping photoflo on your camera's
pressure plate and letting it dry. It said this would solve your
static electricity problems for approx. 3 months.
Angela
aeophoto@xxxxxxxxxxx
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