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EF 70-200 f2.8 IS L USM MKII weird noise (attached)

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victorwol:
Hi! My EF 70-200 f2.8 IS L USM MKII is making a weird noise since I started using it with the 1D X... I do not remember this "gear" noise in the past, just a faint whoosh... a lot lest than the MKI version. I sent it to the CPS service and they say there is nothing wrong and that the noise is normal....   I do not have another at hand to test, but I sent this sound file to my nephew who have the same (purchased both at the same time) and he says the noise of his is not even close to this one I have. Even my Sigma 120-300 that is twice as big makes less noise.

This noise is when it engages and release the IS not during. 

I'll appreciate if you can download the file and listen and compare to yours.

Thanks.

Krob78:
My 70-200mm f/2:8 IS II USM does the same thing.  It started within the warranty period, about 3 months or so after I bought it.  I spent around $100.US to send it back to Canon after speaking with one of their reps.  They sent it back 10 days later and said nothing was wrong  with it...

I tried it out again and within 1 day it was doing it again.  It doesn't do it all the time and like another poster mentioned, it seems to do it more when it's pointed down... I started to think that maybe it's the shutter button getting stuck 1/2 way down, because it makes the noise sometimes when I'm not even touching the button, but after I have shot a couple photos, then let the camera swing down or move it in another way, perhaps to change my settings.

I've noticed that it can effect my focus on the very next shot sometimes, unless I push the shutter again.  I moved my focus to the back button, but it still does it.  Not a lot, but enough to really bug me sometimes... It's a lot of money to have a lens act like that.  Canon suggested that if it continued to do it to send it back, but send it with the camera, as perhaps the camera has the issue and not the lens, but it only does it with that lens, so I'm not sure... 

Doesn't do it with any of my other lenses...

victorwol:
I doubt it is the camera, it does it with my 3 cameras, and my nephew bought the same one the same day and it does not do it..  So they make you pay to ship it even if is in the warranty period?

setrio:
Mine started doing it shortly after I bought it, I'm kind of got used to it by now. The lens is super sharp so I don't mind the subtle noise when you press the shutter half way. I've heard this is common in this lens so I haven't sent it to canon.

neuroanatomist:
Mine makes a similar noise, it's not very loud though - can be heard in a quiet room, not outside.  Most IS lenses make some noise when the IS system activates and deactivates.  My 24-105L, 28-300L, and 100L produce a similar sound.  My 100-400L does, as well, but it's louder, and with that lens you can actually hear the IS system operating between the start and stop sounds, sort of a faint buzz.  I had a 300/4L IS previously, and when the IS engaged/disengaged on that lens, it did so with a loud 'clunk' that could be both heard and felt, and during operation the sound was almost a low growl.

I wouldn't be concerned about it...

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