Comments on: Canon EFS 17-85mm IS stuck/locked zoom repair/disassembly

By: Maverick974

Maverick974 — Thu, 17 May 2012 09:06:00 +0000

Thanks! I did it! I broke one of the four pins on the black ring in picture four, but it got assembled back successfully. Good tip on the nail polish on the culprit screw so i don’t have to do this again… Thanks again!

By: showmetheworld

showmetheworld — Wed, 16 May 2012 15:20:00 +0000

Thanks a Lot!!!!

By: Mats Larsson

Mats Larsson — Wed, 09 May 2012 17:14:00 +0000

Thank you!!! it was a really good instuction and now my zoom works again

By: Candido Dessanti

Candido Dessanti — Sun, 06 May 2012 16:40:00 +0000

if you are lucky, you can try this

if the zoom is stuck between aound 60mm just remove the zoom grip you should have access to 2 of 3 screws that can be loose; just thight them and try if the zoom is working

if the zoom is stuck at 17mm try this… point the objective to floor and gently move the zoom ring from left to right to try to reach 60mm…mine was stuck at 17mm but this has worked.

By: Formula3pics

Formula3pics — Sat, 28 Apr 2012 12:12:00 +0000

Update, mine is working fine but having tried manual focusing it doesn’t work. As Norm S says below The focus ring moves freely and doesn’t engage with the lens.
Anybody have any thoughts/solutions?

By: Neville

Neville — Wed, 25 Apr 2012 15:02:00 +0000

Thanks for a well constructed description – I am going to give it a shot. :-))

By: Formula3pics

Formula3pics — Sat, 14 Apr 2012 15:26:00 +0000

Had exactly the same problem, zoom jammed. Read and used this (plus all the comments) as well as video on utube http://www.youtube.com/watch?v=c2xlM7bGHX0 and and it worked!!! Thank you so much

By: Jcook73

Jcook73 — Thu, 23 Feb 2012 04:11:00 +0000

I have a 28=105mm 3.5-4.5 lens that had a zoom that would not go below about 40mm.
Without this instruction I would not have attempted to fix myself.
I also had trouble with the auto focus after reassembling.
I should have taken pics, but I moved the focus ring to infinity and the mating part in the end of the lens (as you look down into it) all the way the the right.
The trick is to have the lens retracted to 28mm and slide the focus ring into the lens so when you twist it to lock the cams in place the line indicating zoom will match the 28mm. When you start the line will be about 1cm the the left of 28mm on the lens.

Hope this may help.

Jeff

By: Litelvr

Litelvr — Sat, 28 Jan 2012 07:09:00 +0000

When I put it all back together, some of the screw holes seem to be in a differrent position, and the screws don’t find anymore (7th picture from the top) and I can’t mount the outer plastic ring. Any ideas how this could have happened and how I can fix this?
Thanks a lot!

By: squirrelboy

squirrelboy — Thu, 26 Jan 2012 19:40:00 +0000

THANKS SO MUCH!
I thought I was having this same problem, but turns out the little black metal clamp thingie (removing it is going further than your tutorial) fell off and the two tiny screws that held it in place were SOMEWHERE in the lens. As I opened it all up, I found one screw & the clamp were stuck right between the side of the front lens and outer casing, and the other screw was harder to find, it was INSIDE the focussing unit, and I could barely see it through a tiny hole. It was stuck to a magnet in there, and thus the AF didn’t work any more.
Well, I solved the problem and my lens just works FINE again! :) :) Your description helped me a lot! But without the help of a youtube disassembly video I would’ve been lost with my problem. Anyways, to everyone who’s attempting to do this on their own, there are 4 basic rules to this:
1 – BE PATIENT, STAY CALM AND WORK SLOWLY!
2 – KEEP ALL SCREWS SEPARATED & IN ORDER FOR EACH STEP!
3 – DO NOT LOSE ANY OF THE SCREWS!
4 – USE A QUALITY PH00/P00 SCREW DRIVER!
Yes that last one is important too! Cheap shit screw drivers will hurt your tiny tiny screws. And you don’t want to end up with a “rounded” screw that is still attached and will stay in place forever, do you? Once you damage a screw on the lens, you might never get it out. So be CAREFUL!
Thanks very much again for this tutorial.
PS: This is the video that took me further http://youtu.be/c2xlM7bGHX0