Washing/cleaning OM screens:
I was blown away the first time my Japanese boss told me to do this, but
sometimes it's worth the risk, and usually works.
We used to keep Ivory on hand at the office, but I've used generic
anti-bacterial soft-soap from a pump bottle dozens of times without harm.
We only do this for oily fingerprints and smudges that can't be removed with
"normal" cleaning techniques. Be prepared to replace the screen or toss it
if it doesn't work. (Like I tell my customers, the difference between you
and me is that if I screw it up, I can replace it pretty easily!)
Begin by washing your fingertips thoroughly (we repair types sometimes end
up with "glue buggers" and moly grease on them!), then work up a nice foamy
lather of soap between the fingers of one hand. Holding the screen by the
edges with the other hand, rinse it in warm water to carry away any
particles, then gently scrub the screen between the soapy fingers of the
other hand. Rinse all thoroughly, shake excess water off, then blow dry --
a cool or warm hair drier works fine.
As a last resort, for example on screens that have smudges from
disintegrated mirror bumper material and the like, you can resurrect _some_
screens using denatured alcohol and tissue, but you _must_ work quickly. I
think most of the problems occur when the alcohol is allowed to get "wet".
But realize again that there is a chance you will ruin it!
With a tissue such as a kimwipe damp with alcohol, sandwich a little over
one half of the screen with the tissue held between two fingers and softly
wipe quickly from one edge to the other, pulling the tissue completely off
the screen. Rotate the screen 90 degrees and wipe again, and so on until
you've wiped along all four sides. Blow gently to evaporate any residue --
and hope!
>
> Yikes! I didn't know this could be safely done with focusing screens.
> Everything I've read/been told boils down to 'do NOT touch The
> Screen'.
>
> What type/brand of soap works well?
>
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