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03-29-2017, 10:20 PM   #1
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Maybe this may help with 'aperature block' (?) maybe fun?

This may sound weird, but I happen to notice that if you gently shake your camera near your ear, you may hear a sound of something sliding back & forth: maybe this is the troubled aperature thing moving. If it moves that would be good; maybe you can do this once in a while to help clean the contact point to lessen failure(?). I've done this sound test on 2 K-50's and both sounded the same. I've done this to a K-3 and no sound. All cams were around 2K shutter count. You don't really shake it, just throw your arm back like throwing a football, with the lens forward and carefully listen (that's the way I did it). I'm not a tech, but thought this would be interesting. thanks

03-29-2017, 10:24 PM   #2
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What you are hearing is most likely the sensor block which moves somewhat freely when Shake Reduction is powered down.
03-29-2017, 11:37 PM   #3
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This ^
03-30-2017, 02:17 AM   #4
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03-30-2017, 02:31 AM   #5
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I have a sliding sound in my K5 and was always wondering what it was
03-30-2017, 05:31 AM   #6
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Talked a friend into getting a K1 and he told me he though his was broken after getting it. I got a chuckle out of that then told him what it really was.
03-30-2017, 10:29 AM   #7
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There is another sound you get from the 2 hinged lifter arms inside the flash unit. If you pop the flash up they are extended and dont make noise any more.
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