04-04-2020 06:01 PM
Hello everyone!
I bought an old, second-hand, Canon 17-85 IS USM lens, that has been sitting on my shelf until recently. After a serious test, that unfortunately I did not have the opportunity to perform upon buying said lens, I discovered the following issues with it:
- The lens makes a rattling noise, similar to the one of the Autofocus Motor, when I am not focusing at all;
- The camera does not turn itself off when this lens is coupled. Adittionally it makes the same noise every so often;
- Turning off Autofocus and Stabilizer does not solve the sound
Could anyone help me identify the potential problem?
Thank you all in advance!
Regards
Samuel
04-05-2020 10:01 AM - edited 04-05-2020 10:06 AM
Greetings,
What body are you using this lens with?
Check the contacts on the lens and body. Make sure they are clean.
There is a procedure to re-align the motor with the lenses ability to focus, but I doubt thats your problem since it rattles and doesn't allow the camera to shut off.
Do other lenses work ok?
If yes, you probably purchased somneone's lemon. I would discontinue use, chalk it up as a leaning experiience and not purchase items you haven't tested before purchase.
~Rick
Bay Area - CA
~R5 C (1.0.5.1) ~RF Trinity, ~RF 100 Macro, ~RF 100~400, ~RF 100~500, +RF 1.4x TC, +Canon Control Ring, BG-R10
~DxO PhotoLab Elite ~DaVinci Resolve ~Windows11 Pro ~ImageClass MF644Cdw ~Pixel6 ~CarePaks Are Worth It04-05-2020 10:32 AM
"Could anyone help me identify the potential problem?"
Yes, I can. It's broken. More bad news it probably isn't worth fixing but a call to Canon service will answer that.
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