Canon Community

I searched on the internet and saw a couple of cases that zoom ring get stuck after many years of usage ofthe Canon 75-300mm USM lens. There seems no solution to this. Recently I had this lens and I opened it and did a DIY fix.  The root of the probl...

While I was trying to fix a Canon 17-85mm IS USM lens, I found out it was a USM motor failure. I had a couple of other lens disassembly, such as 100-400mm. My feeling was the USMmotor of them are the same. I regret that I did not measure the diameter...

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 ...

I have this lens for almost 12 years (was purchased in 2006). The tighten/loose ring did not work long time ago. Since this lens is old (but still function very well), I decided to fix it myself. In the same time, I hope I can do a good service clean...