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11-09-2020, 12:46 AM   #1
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Cleaning the KP

I have a dust spec showing in the viewfinder below the brackets.It is there regardless of the lens, so its a KP issue.

I cleaned the viewfinder, mirror and the sensor. I got the dust spec to move, but it is NOT on any of the mentioned surfaces.
Ideas of the location?


11-09-2020, 12:54 AM   #2
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Usually visible dust is on the focusing screen, so that's where I'd look next.

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11-09-2020, 01:30 AM   #3
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Original Poster
Can it be on top of the focusing screen? I did clean the focusing screen lower side.
So air or tampering withthe focusing screen by opening it?

11-09-2020, 10:15 AM   #4
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QuoteOriginally posted by bassek Quote
Can it be on top of the focusing screen?
Yes it can. When it happened to me, I referred to a video that showed how to change out a focusing screen. I removed the screen and blew out the space. I also washed the screen by lathering my hands with soap and and rubbing the screen gently with my lathered hands. I rinsed with tap water and blew off the remaining water with compressed air.


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