DA* 300 AF noise

BrianDK
Posted 02/07/2012 - 16:29 Link
Hello,

I just received my DA* 300. Everything looked fine at first but I noticed an annoying "whining" sound when the AF goes from 1.4m to infinity. Is it something I should worry about? Would you send it back for a replacement?

I tried to record the sound with my phone for those caring to have a look.

link

Cheers
Brian
Mike-P
Posted 02/07/2012 - 16:44 Link
Should be silent, return it.
carmagw
Posted 02/07/2012 - 16:47 Link
Had a quick listen to my 50-135 which was attached to the camera, doesn't make a 'squeaky' noise like yours seems to do.

I don't have the DA*300, but I don't recall a squeaking noise on my other SDM lenses - 55, 60-250 & 17-70.


Just realised Mike's beat me to it !

Regards

George
Frogfish
Posted 02/07/2012 - 16:56 Link
Mike-P wrote:
Should be silent, return it.
+1. Mine too is silent.
http://frogfish.smugmug.com/ Pentax. Pentax DA*300/4, Cosina 55/1.2, Lens Baby Composer Pro & Edge 80, AFA x1.7, Metz 50 af1.
Nikon. D800. D600. Sigma 500/4.5, Nikon 300/2.8 VRII, Sigma 120-300/2.8, Zeiss Distagon ZF2 21/2.8, Zeiss Distagon ZF2 35/2.0, Sigma 50/1.4, Nikkor 85/1.8, Nikon TC20EIII, Nikon TC14EII, Kenko x1.4, Sigma 2.0
cedricd
Posted 02/07/2012 - 18:39 Link
I agree with Mike P too. Return to the seller. My DA* is silent which it should be.
Enjoy life
BrianDK
Posted 02/07/2012 - 20:30 Link
It's strange though, I had it out for a test shooting this evening and I couldn't hear anything. I even put my ear next to the lens. When I got home the noise returned.

I mailed the store I bought it from, waiting for a response. I may call Pentax in Denmark too just to hear what they suggest.

Cheers.
doingthebobs
Posted 02/07/2012 - 23:36 Link
That does not sound good. Something is rubbing in there that shouldn't.

I'd take it back and get it replaced!
Bob
BrianDK
Posted 10/07/2012 - 10:49 Link
Hello everyone!

I finally got my replacement lens today No more AF noise so I'm really happy!

Thank you everyone for the support.

Cheers,
Brian
cedricd
Posted 10/07/2012 - 20:15 Link
Good result, it`s a super piece of kit. I hope you enjoy getting out and about with it.
Enjoy life

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