[pure-silver] Re: grounding enlarger
- From: Robert Marvin <marvbej@xxxxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Fri, 1 Oct 2004 18:24:57 -0700
I didn't know that. I guess grounding your enlarger may be an "urban
myth" although it SEEMS to help. I'll try disconnecting the ground wire
to see if I notice a difference.
Bob Marvin
On Friday, October 1, 2004, at 12:07 AM, Ryuji Suzuki wrote:
> It is irrelevant. Grounding an enlarger won't help general dust
> problems between two charged objects. The same goes to grounding a
> turntable or arm of the record player. What helps is to increase the
> conductivity of the material which causes friction, etc. that generates
> static charge. This is simply done by adjusting the humidity.
>
> Above RH 30%, fungus growth to optics becomes more active. At
> significantly below RH 30%, mechanical failure is more common. So
> camera manufacturers generally specify RH 30% as an ideal condition
> for their mechanisms. I think this is a good guideline for enlarger as
> well. Storage condition of the negatives and prints are also extremely
> important whenever permanence is a consideration.
>
> Many fabric softeners contain ionic surfactants that act as antistatic
> agent. They don't work well no acrylic fabric, but work ok on nylon
> and cotton. It may help a bit to use such a product on a cloth to put
> on the enlarger. When I had my darkroom in my residence, I used to
> cover the enlarger with a huge cardboard box when not in use.
>
> --
=============================================================================================================
To unsubscribe from this list, go to www.freelists.org and logon to your
account (the same e-mail address and password you set-up when you subscribed,)
and unsubscribe from there.
Other related posts:
- » [pure-silver] Re: grounding enlarger
