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08-19-2008, 05:17 PM   #1
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Question about 50-135

I just received this beauty and started to snap away just to make sure that everything is OK. The only thing that seemed out of place was a light noise when the lens had to refocus, say from 5m to 2m. The only other SDM lens I can compare to is 16-50, which produces much less noise. Well, the noise I'm talking is the same when I rotate the focusing ring by hand.
Question to those who has both - is it normal?
The speed seemed to be fast enough, but again, I don't have anything to compare to.
Thank you very much.


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k-mount, lens, noise, pentax lens, question, slr lens
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