Case of the Jiggly IS (resolved!)

YuengLinger

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Dec 20, 2012
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(Quick disclosure: I contacted Canon tech support, they got out the same body and lens, used my settings, and saw NO jiggling. Right away the tech said, "You've got a problem with the IS motor." So, I know it's not normal or a characteristic of the "new" IS in the new 24-105mm!)

Has anybody ever had a lens with a jiggly IS?

(I'm having some horrendous luck trying to get my hands on a fully functional ef 24-105mm f/4 IS II. The latest one was very sharp and had accurate AF (unlike the previous one sent back because it was super soft and had so much CA it was like a multiple exposure in overcast light).)

Unfortunately, with the latest one, with the camera body held diagonally (you don't have to ask why it got in that position if you chase toddlers with your camera), the IS would jiggle like Jello before settling down. It did not have the typical snappy, tiny jerk before "locking" in; it would engage and the whole frame would jiggle for a moment longer than IS normally takes to engage. Worked fine in landscape or portrait orientation, but worrisome jiggling diagonally.

This was actually my THIRD try to get the 24-105mm, but the first reject had nothing to do with Canon--only with UPS, which attempted to deliver a badly crushed carton. (Fortunately they needed a signature and I was home and refused the delivery.) Then the one that had to be out of spec with sharpness and CA, and now this one that is much sharper than expected (after reading reviews) but with the bad IS.

Btw, serial number was 53xxx..., and the firmware is now up to version 2.0.0.

So, any other bizarre IS behavior recently?
 
When I purchased my first Canon, the Rebel 300, I also added the 28-135mm IS. Eventually the IS began to chatter, and made any picture blurry. I could even see it in the viewfinder. Later I added my first FF body, a second hand 5D classic, and it came with another 28-135mm IS lens. It, too, would occasionally chatter if the IS was turned ON. Both lenses were given away with the caution to not use the IS feature. I have never seen any IS problems on any of my other lenses you can see on my profile. My 24-105mm (old version) has been a workhorse lens for me when I am only carrying one body and lens.
 
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