Canon 75-300mm f/4-5.6 III USM EF Lens "ef wiring" Questions

canon ef 75-300 aperture fixed at f22 Hi, I read that you disassembly yourself your canon ef 75-300. I've the 75-300 USM III and have the aperture fixed now, i think i must changeor perhaps have the ...

Aperture problem My kit lens aperture wont go any larger,it goes smaller and the lens error.On the camera it says 3.5(exmple) but the lens aperture is like on 22 or more.I can't shoot photos.Some says

When looking through the front element there is a loose part or wire visible. Lens does not repond when on the camera. I think the FPC inside your lens must have broken & needs to be fixed. It is ...

error 99 I have a 75-300mm zoom that i used with my 300v and it works perfectly. Now i have a 400d, often when i take pics error99 appears on the camera. It does take pics but not the settings that i ...

Lens dropped and now it is tilted inside and won't focus My Canon EF 50mm 1.8 mkI lens was dropped and now the lens assembly is tilted inside the housing so it won't focus. Has anyone taken one apart?

Canon EF 75-300mm f/4-5.6 Repair Manual The apeture is stuck closed. Maybe at f/22. How can I get into this lens to repair it? Is there a free online repair manual? Mine had the same problem. The ...