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New Contributor
Posts: 4
Registered: ‎12-20-2018

Help with a 100-400 mm IS II lens

Hi, I am finding that my lens after full zoom does not and cannot return to the resting position (100mm). It stops with about 1 inch of the barrel still sticking out. This happened when I had it connected to a Canon 6D mark II camera. Would anybody be able to help? Thanks David in Australia
Honored Contributor
Posts: 7,335
Registered: ‎08-13-2015

Re: Help with a 100-400 mm IS II lens

[ Edited ]

That does not sound quite right. It might need service.

The zoom ring of the lens is completely independent of the lens mount. It should not matter which camera is attached, [nor] if there is not one at all.

However, the lens does have a friction adjustment on the zoom ring, so check that first.

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VIP
Posts: 10,381
Registered: ‎12-07-2012

Re: Help with a 100-400 mm IS II lens

It did this right from the box?  Return it for another one.

EOS 1DX and 1D Mk IV, along with less other stuff.
New Contributor
Posts: 4
Registered: ‎12-20-2018

Re: Help with a 100-400 mm IS II lens

I will do that. Thanks froim Australia

New Contributor
Posts: 4
Registered: ‎12-20-2018

Re: Help with a 100-400 mm IS II lens

Thanks for that. Checked that first of all. Stuffed. Will send it back. Thanks

Esteemed Contributor
Posts: 3,751
Registered: ‎06-11-2013

Re: Help with a 100-400 mm IS II lens

The only thing I can think of is this lens has a tension ring for the zoom.  You can use this to snug the zoom to avoid "zoom creep" (unintended changing of the zoom).  If that was a bit too snug... maybe it was refusing to move.  It should easily run the full zoom range if the tensioin ring is the loose position.

 

 

Tim Campbell
5D III, 5D IV, 60Da
New Contributor
Posts: 4
Registered: ‎12-20-2018

Re: Help with a 100-400 mm IS II lens

Thanks for that. I've decided to send the thing back to Canon. Checked the tension ring...that wasn't the problem. Cheers

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