05-03-2017 03:08 PM - last edited on 08-30-2022 09:17 AM by Danny
Hello friends
first big hello to everyone!
need some info... i bought a second hand lens 18-135 stm that shows some wooble on the barrel.
extended to the 135mm the barrel woobles a bit and full rectracted at 18mm and i shake the lens i can hear the barrel woobles inside!
can anyone tell me if that is normal on this model??
Best regards
05-03-2017 04:55 PM
@gtangas wrote:Hello friends
first big hello to everyone!
need some info... i bought a second hand lens 18-135 stm that shows some wooble on the barrel.
extended to the 135mm the barrel woobles a bit and full rectracted at 18mm and i shake the lens i can hear the barrel woobles inside!
can anyone tell me if that is normal on this model??
Best regards
No it does not sound normal. I just checked mine and it has no wobble even when fully extended.
05-03-2017 05:00 PM
hi
thanks for your repply
i saw some reviews and the non stm version ad some reports of this issue but i cant find none of the stm version!
Its not a big wobble but if you shake the camera (in my case a 70d) with the barrel extended or even retracted you can feel that barrel shaking...
i like the IQ but not very happy with this problem!
05-03-2017 05:08 PM
@gtangas wrote:hi
thanks for your repply
i saw some reviews and the non stm version ad some reports of this issue but i cant find none of the stm version!
Its not a big wobble but if you shake the camera (in my case a 70d) with the barrel extended or even retracted you can feel that barrel shaking...
i like the IQ but not very happy with this problem!
Canon upped both build quality and image quality when they added the STM focus motor to their lenses. Mine is rock solid with no wobble. I would not consider any wobble as normal in an STM lens.
05-03-2017 05:21 PM
its better to return the lens and wait for another deal on the second hand market... one without this issue!
i sold an old sigma 18-200 that never gave very nice results and no doubt that this new stm lenses are awesome!
i bought very recently the 10-18 and im very pleased with the results!
Thanks for your help TTMartin!
05-03-2017 06:46 PM
How much shaking are you doing? Most image-stabilized lenses will make a bit of noise with a strong shake. The in-lens image stabilization involves lens elements that have to move (physically) and if you shake it hard enough you can hear it knock.
One probably shouldn't be making a habbit of shaking the lenses aggressively. But if you hear it with just casual movement of the lens then I might give this a more careful inspection and testing.
05-03-2017 07:20 PM
Wobbles and noises are abnormal. Can it still auto focus properly?
05-04-2017 03:32 AM
05-04-2017 05:24 AM
05-04-2017 06:12 AM
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