You're new to this list. I went through the "don't try this at home" stage a
LONG
time ago. If someone asks a question they get an answer. I t is no longer my
job
to even try to protect people from themselves. ;-)
John
Kennedy wrote:
> In article , John Hermanson <omtech@xxxxxxxxx> writes
> >I aim my answers at people who INSIST on doing things themselves. I don't
> >recommend
> >trying these things at home, but if someones gonna learn that, let them try
> >and
> >know better later.
> >I've cleaned thousands of mirrors this way, spanning 22 years, without a
> >mishap.
> >I guess I must be doing something right.
> >
>
> Whilst I don't deny your skill with denatured alcohol and a lens tissue
> John, I would not recommend it to people who want to 'try this at home'
> - don't underestimate the skill you have developed in that time that
> non-service guys don't have. :-)
>
> For removal of dust from mirrors or focus screens, pentaprism bases etc.
> without risk of damage at all, try the polythene & static method -
> worked fine for me for about the same time as John quoted without a
> single failure.
>
> >> Take a small clean polythene bag and cut a narrow triangle of polythene
> >> out of it. Now rub the polythene on a piece of silk or wool to create a
> >> static charge. Use the electrostaticly charged narrow point of the
> >> triangle to 'lift' the dust off the surface without actually touching it
> >> at all. You need to hold the polythene so that there is a slight
> >> curvature to it to prevent the charge from pulling the tip down onto the
> >> mirror.
> >>
> >> Works for other surfaces as well, like the bottom of the pentaprism once
> >> the focus screen has been removed.
> >>
> --
> Kennedy
> Yes, Socrates himself is particularly missed;
> A lovely little thinker, but a bugger when he's pissed.
> Python Philosophers (replace 'nospam' with 'kennedym' when replying)
>
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