RE: Cleaning a LX Screen (please brotherhood)

2002-02-19 Thread Mick Maguire

If dishwashing detergent such as Dawn is used, you should note that it
usually contains a lot of salt (the regular sodium chloride stuff) as a
bulking agent, so the screen and fingers should be thoroughly washed before
refitting. As an aside this is also one of the reasons that you might not
want to use it for washing your car either.

Regards,
/\/\ick...
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Re: Cleaning a LX Screen (please brotherhood)

2002-02-19 Thread Aaron Reynolds

On Tuesday, February 19, 2002, at 12:25  PM, Shel Belinkoff wrote:

>   It has been noted here that a very mild solution of
> dishwashing soap can be used to remove grease, and then rinse the screen
> in distilled water.

I've had great luck getting grease and oil and the like off of optical 
surfaces with that ROR cleaning fluid.  Haven't tried it on a screen, 
but I imagine that it would work the same as it does for lenses and 
eyepieces.

-Aaron
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RE: Cleaning a LX Screen (please brotherhood)

2002-02-19 Thread Mick Maguire

Chris Brogden asked: "How strong are focusing screens?"
not very strong at all, they are plastic, I have scratched one with over
vigorous use of a cotton bud.

Regards,
/\/\ick...
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Re: Cleaning a LX Screen (please brotherhood)

2002-02-19 Thread Shel Belinkoff

I've cleaned a couple of mirrors with no disasters or problems.  One had
a lot of black, decomposed foam and sticky stuff on it.  I just used
some lens cleaner on a q-tip, and gently wiped it away.  Another list
member is using the camera now, and he's had no complaints or concerns
about the silvering on the mirror.

Both screens and mirrors can be easily scratched or damaged if you're
not careful.  I admit to great trepidation when fiddling around with
either, but I do believe they're not quite as fragile as they're made
out to be.


Chris Brogden wrote:

> How do screens compare with mirrors 
> for scratch-resistance?  I've heard
> that the mirrors scratch very easily, 
> and that even a fine brush can leave
> marks on it.  How strong are focusing screens?

-- 
Shel Belinkoff
mailto:[EMAIL PROTECTED]
http://home.earthlink.net/~belinkoff/
You can't have everything. Where would you put it?
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Re: Cleaning a LX Screen (please brotherhood)

2002-02-19 Thread Chris Brogden

On Tue, 19 Feb 2002, Shel Belinkoff wrote:

> Remove the screen, blow some air on it, or use a brush, [snip]


How do screens compare with mirrors for scratch-resistance?  I've heard
that the mirrors scratch very easily, and that even a fine brush can leave
marks on it.  How strong are focusing screens?

chris
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Re: Cleaning a LX Screen (please brotherhood)

2002-02-19 Thread Shel Belinkoff

Remove the screen, blow some air on it, or use a brush, and get the
surface dirt off.  It has been noted here that a very mild solution of
dishwashing soap can be used to remove grease, and then rinse the screen
in distilled water.  I've never tried this, but other sources suggest it
and similar techniques.  Here's a selection of comments that might be
useful:

http://zuiko.sls.bc.ca/swright/archives/1999/thrd57.html

[EMAIL PROTECTED] wrote:

> My LX screen is dirty, and I want to clean it, 
> without damaging it. Recomendations?

-- 
Shel Belinkoff
mailto:[EMAIL PROTECTED]
http://home.earthlink.net/~belinkoff/
You can't have everything. Where would you put it?
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