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Occasional Contributor
Posts: 14
Registered: ‎01-11-2019

Fix the broken 6 pin autofocus flex-cable of the 18-55mm IS II kit lens.

[ Edited ]

I had a broken autofocus 18-55mm IS II kit lens.

 

Here is the problem: After manually pull the autofocus ring to the infinite, then the autofocus seems can "hunt" backwards;

But it just won't "hunt" forwards, just gave a faint click sound.

 

I opened it and found out it was the broken flex-cable. The cable has 6 thin wires included. It connects the status of the focus ring (The brush scans the 6 programmed lines on the inside wall of the focus ring to know where it is) to the main circuit board. It is a long cable to be connected to the main circuit board. It has also to be bent in order to be fitted to the flexible focus distance (zoom). After many times of bending and stretching, it breaks apart. Then I fixed it by manually soldering the 6 wires. See my youtube step by step video:

 

https://youtu.be/n6Qp-XxQFYc

 

This was a lot of effort to fix those tiny wires. Please let me know if there is another way to deal with it. 

Respected Contributor
Posts: 1,111
Registered: ‎02-06-2013

Re: Fix the broken 6 pin autofocus flex-cable of the 18-55mm IS II kit lens.

You can buy a replacement flex cable for about $10... Smiley Happy on ebay

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Diverhank's photos on Flickr
Occasional Contributor
Posts: 14
Registered: ‎01-11-2019

Re: Fix the broken 6 pin autofocus flex-cable of the 18-55mm IS II kit lens.

[ Edited ]

Thanks! I did not realize this.  Flex cable on the ebay is cheap.

 

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fsong's picture on flickr

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