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03-18-2010, 10:28 AM   #1
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Kit Lenses Make a Lot of Noise?

Sorry if this is a stupid question.

Just moved from a Panasonic bridge camera to a Pentax K-X with 2 kit lenses. Both of the lenses seem to be quite loud during autofocus (which can also take what seems a long time). Is this "normal?"

Thanks much!

03-18-2010, 10:48 AM   #2
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It's just a product of the type of lenses they are - screw drive. Other Penax lenses have a SDM mechanism (silent). Supposed to be as fast or faster, but some think the screwdrive is faster. They should be exceptionally fast in decent light. Where are you trying to use them - indoor?
03-18-2010, 11:11 AM   #3
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Loudness is normal, autofocus depends on lighting conditions. Pretty much all kit lens autofocus slow and/or crappily in lower light like indoors. Fast lenses are much better.
03-18-2010, 11:33 AM   #4
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And the screw-drive mechanism probably won't break.

Oh yes I did...

03-18-2010, 11:40 AM   #5
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Original Poster
Thanks! Good to know. Just wanted to be sure I did not have a lemon. And yes, primarily indoors. So when it's hunting, it takes a while and you really hear it!

if it's the norm for this type of lens, it's no big. Thanks againó much appreciated!
03-18-2010, 05:20 PM   #6
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If they focus fast, you won't notice it as much (loudness) just goes "zip"..instead of "zip' (when it's slow or when it is confirm focusing)!

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