Canon EOS 450D / Rebel XSi: How to repair the defective autofocus

A DSLR camera is a fine thing. My Canon EOS 450D (also labeled as Canon EOS Rebel XSi) gives me a lot of pleasure even with its standard kit lens Canon EF-S 18-55mm 3.5-5.6 IS.

After three years there has been the first defect now. During a mountain hike the autofocus stopped working.

This article outlines how I solved the problem for about $10. And even if your AF is currently still working, it may be interesting to you how to disassemble a Canon EF-S lens.

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