Sorry, forgot about the mirror.
Very, Very, Very gently with good lens cleaner (be sure it doesn't say "not
for mirrors") and lots of Q-Tips.
Wet it and gently clean, only the weight of the swab for pressure.
Then use one swab after another with NO pressure at all until dry.
If it streaks a little just use your breath and several more swabs.
Gentle, Patient and not after several cups of coffee! ;-)
The coating is on the TOP side of the mirror, so you are cleaning the
coating itself, not glass.
Don't use canned air on the mirror, a little accidental squirt of the
propellent can damage the coating.

Don


> -----Original Message-----
> From: Andrew Bingham [mailto:[EMAIL PROTECTED]
> Sent: Sunday, August 08, 2004 7:14 PM
> To: [EMAIL PROTECTED]
> Subject: Hello List - MX Mirror Foam / Mirror & Focusing Screen
> Cleaning.
>
>
> Well, first I'd like to say hello to everyone here on the list!  I'm
> in my third month as a Pentax user, and I've got a few questions ;)
>
> So far I've accumulated a few pieces of Penatx gear (enough to get a
> good start in photography, anyway):
>
> Pentax P30t body & 35-80mm f/4-5.6 lens - $62 shipped (excellent
> condition)
> Pentax 50mm f/2, Focal 28mm f/2.8, Focal 80-200 f/4.5 lenses - $36
> shipped (good-excellent condition)
> Pentax AF200T flash - $30 shipped (like new, with manual and
> leather pouch!)
> Pentax MX - $50
>
> The P30t, lenses, and flash are all in good shape, although I don't
> know about the quality of the Focal zoom (seems a little soft at
> times) it's good for me to start with.  My plan is to get a good bag
> to put all this stuff in, a decent tripod, and milk if for all it's
> worth until I am technically proficient and know what I want in a new
> camera.
>
> The MX needs to have the mirror foam replaced, and there are a few
> bits of the foam already collected on the mirror surface.  Also, there
> is a dark smudge on the focusing screen when looking through the
> viewfinder - nothing major, but a little bit annoying.  Looking at the
> screen itself it looks like someone might have tried to clean it and
> damaged it, or maybe smudged it with some kind of cleaner.  Whats the
> best do it yourself way to replace that little piece of foam? How to
> safely clean the mirror/focusing screen?
>
> The shutter speeds and meter seem fine, mechanically the camera is in
> excellent condition, so a full CLA seems a little overboard.  Also,
> its got a couple small dents on the bottom from someone overzealously
> screwing in a tripod, and the hot shoe sits a little crooked from a
> small dent (hence the price).  My plan was to use the MX for wide
> field astrophotography during the winter, so I didn't need a 100%
> perfect specimine, and I would rather give a slighlty worn camera a
> good home ;)
>
> Thanks in advance for your suggestions,
>
> -Andrew
>

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