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05-16-2016, 09:30 AM   #1
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Object in viewfinder of K100D

While I don't use my K100D to shoot much - I do use it to test SDM lenses for screwdrive autofocus before converting them. I have had some junk in the viewfinder for a while and I'm just getting around to wanting to fix it. I assume that the fix will involve removing the focusing screen but beyond that I'm clueless. Should I try using my lens blower? Ideas welcome.

05-16-2016, 09:42 AM   #2
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In the past I have had good luck just using a rocket blower without even removing the screen. Maybe I've just been lucky but that has been enough almost every time. I have had to remove the screen a couple of times but only after trying the blower first.
05-16-2016, 12:02 PM   #3
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QuoteOriginally posted by jatrax Quote
In the past I have had good luck just using a rocket blower without even removing the screen. Maybe I've just been lucky but that has been enough almost every time. I have had to remove the screen a couple of times but only after trying the blower first.
I don't have a "rocket blower" but I do have an old school version of the blower from the 1980's or 1990's. No dice so far.
05-20-2016, 01:28 PM   #4
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Any more ideas?

05-20-2016, 09:55 PM   #5
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QuoteOriginally posted by UncleVanya Quote
Any more ideas?
If your blower is one of those old ones with the brush on it, I don't think that has enough power. Try a rocket blower and if that doesn't work, then I guess your only choice is take the screen out and clean it. It isn't that hard, at least on the cameras I have owned, but you do need to be careful not to touch the screen surface.
05-21-2016, 05:53 AM   #6
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QuoteOriginally posted by jatrax Quote
If your blower is one of those old ones with the brush on it, I don't think that has enough power. Try a rocket blower and if that doesn't work, then I guess your only choice is take the screen out and clean it. It isn't that hard, at least on the cameras I have owned, but you do need to be careful not to touch the screen surface.
It had a brush. No longer attached. I use it to clean my sensor effectively but it is a bit weak.
05-21-2016, 08:04 AM   #7
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Get a rocket blower, it's an order of magnitude more powerful. I have two, a little one in my bag and the big one in the studio.
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