Noise coming from within 75mm 1.8 out of box

Started Aug 29, 2012 | Discussions thread
cinevoyeur
New MemberPosts: 5
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Re: Noise coming from within 75mm 1.8 out of box
In reply to ELLIOT P STERN, Mar 10, 2013

Did you find resolution here?  I just got my 75mm 1.8 and noticed it makes a vey quiet, yet noticeable grinding sound when focusing manually. Is that normal? It also makes a small noise when focusing automatically. I have the panasonic shotgun mic attached to the GH3 for audio recording and it definitely picks up the sound. Is my lens defective or is this normal for this lens? I don't notice it on my 17mm or 45mm, but haven't tested.

https://vimeo.com/61436718
Would love some direction on this. You can hear it in this video at around the three second mark - small clicking sounds.
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