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04-29-2011, 08:01 PM   #1
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buzz noise during startup

Just got my pentax k-5. It's got this odd buzz noise during startup, which I don't remember hearing until today.

Looks like the aperture lever moving a bit. Just a bit concerning as I've just noticed the noise today. My pentax k-x doesn't make this noise. Is this normal?

thanks!

04-29-2011, 08:04 PM   #2
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It's normal- it's the DR system at work. The k-5's should sound like a supersonic pulse.
04-29-2011, 08:10 PM   #3
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QuoteOriginally posted by Adam Quote
It's normal- it's the DR system at work. The k-5's should sound like a supersonic pulse.
Don't think it's the dust removal. That sounds different to me (and almost inaudible). Also the noise is made even when DR is set to not perform at start-up.

This is a mechanical sound.
04-29-2011, 08:20 PM   #4
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Nevermind, did a search before, but apparently sucked at it. Found a thread now: https://www.pentaxforums.com/forums/pentax-k-5-forum/123361-k5-sensor-cleanin...ml#post1275295 Looks like it's the aperture control starting up (which is done mechanically in the k-x hence no noise). Sorry for the gratuitous topic

04-30-2011, 10:58 PM   #5
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K7 does the same thing at start-up.
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