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FORUMS Cameras, Lenses & Accessories Canon Lenses 
Thread started 30 Jul 2007 (Monday) 20:34
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Clunking 300mm f4

 
gparvan
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Jul 30, 2007 20:34 |  #1

Just received my new 300mm f4 and I like it. However, after the excitement wore off I noticed the focus mechanism is clunky sounding.
Anybody else have this issue or do I have a lemon?




  
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Ospi
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Jul 30, 2007 20:36 |  #2

Yes its normal for this lens, has an older IS model that clunks a bit.

EDIT, is this the IS version you have? if not then im not sure what the noise is.


Canon EOS 90D
Sigma 150-600mm f/5-6.3 Contemporary
Canon 100mm f/2.8L IS Macro

  
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gparvan
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Jul 30, 2007 21:09 as a reply to  @ Ospi's post |  #3

Yup, tiz an IS version. I tried turning off the IS but still made noise. I guess I'll have to buy a bigger lens to avoid the noise. At least that is what I'll tell my wife!!! :D




  
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Ospi
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Jul 30, 2007 21:57 |  #4

haha. Weird how it still makes hte noise when IS is off. I know the IS makes a clunking noise when its doing its thing but it should stop when you turn it off.


Canon EOS 90D
Sigma 150-600mm f/5-6.3 Contemporary
Canon 100mm f/2.8L IS Macro

  
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Clunking 300mm f4
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