How do I reassemble the lens unit itself?


The lens stuck in the open position during our vacation. No amount of jiggling, banging, cursing, swearing, or praying would fix it.

Upon returning home, I discovered this web page and through its amazing instructions (Thanks, everyone!) I had no trouble removing the lens unit.

Now, travelling in uncharted territory, I started dismantling the lens unit itself. Not difficult; just the four screws that go into the back of the black plastic casing, one lock tab, and it almost falls apart.

I found traces of beach sand, left over from a previous vacation, so I cleaned everything thoroughly.

Now the hard part. The unit basically consists of several concentric sleeves that have cam grooves in them. Each sleeve will assemble in any one of 3 possible alignments, but obviously only one is correct. Does anyone know the correct alignments?

I would attach pictures, but I don't have a camera....


Edited by: Bill ( )

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Bill, download the service manual from here and check chapter 2.12. I think that shows you how to disassemble the optical unit. Lots of little fun parts :-) anyhow, good luck and let us know if this works for you.

Hi! Thanks for the very fast response! I have downloaded the files and taken a quick look at them. Looking good! I'l have more time this evening to get back into the project in detail. Thanks!

Bill ,

You are very welcome and thank you for accepting my answer.


I am in the middle of taking the lens apart of my canon sd 1200is can I get a download of the chapter?


Richard, give it a try. The service manual is complete, not broken down by chapter, and it is for the SD1100, so there may be some differences.. :-) good luck http://www.keepandshare.com/doc/3161724/...


The manuals only seem to go down as far as removing the lens unit and for dissasembling/reassembling the protective shutter blades. In order to free up mine I had to dismantle the lens unit itself, and couldn't get it back together until I found the perfect solution a few days ago: I redeemed frequent flier miles and acquired a newer, better model of the camera and gave up on the dismantled one <g>.

Bill ,

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