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10-13-2012, 09:41 PM   #1
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focus screen cleaning

I have a Pentax *ist D and the focus screen has tons of little dust particles that won't come off. how do we clean the focus screen. Is it harmful to take a microfiber lens cloth and try to wipe it?

10-13-2012, 09:57 PM   #2
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There are some tips here in this thread:

The screen is easily scratched so be careful.
10-13-2012, 11:27 PM   #3
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Do not rub it with a microfiber cloth. It is delicate and easily damaged.

10-14-2012, 02:57 AM   #4
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Sometime ago when I still have my K100D, some nasty dirt particles sticked to my focusing screen that no amount of rocket blowing can get rid of. I ended up removing the focusing screen carefully via tweezers, bring it to the bathroom, put some soap on my palm, massage to get some nice bubbles, and put the focusing screen on my palm to clean gently. Then rinse with running water and use a tweezer to hold the focusing screen until it is dried....and then re-attach to the camera. Voila. All the dusts are gone. No scratches too. Very happy.....but I wouldn't want to do that again.

03-09-2013, 07:18 AM   #5
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Good day,

Thank you for your solution. It worked for me as well. My focusing screen was all smudged after cleaning it with cotton tips and simple distilled water. Thank you again. Now all I have to do is to clean my mirror as well.

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