50mm f1.4 Auto focus cannot find focus [ring already replaced], any ideas?

Started Jan 2, 2013 | Questions thread
Olga Johnson
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Re: 50mm f1.4 Auto focus cannot find focus [ring already replaced], any ideas?
In reply to BobHunter, Jan 13, 2013

BobHunter wrote:

WilbaW wrote:

BobHunter wrote:

After replacing my focus ring (yes the typical thing that breaks)

Would you say more about that? What beaks? How? Images of broken bits?

The lens barrel cam bends. http://www.fotomozaic.ro/artikel.php?idstory=225&s=1 look at step 8. I ended up replacing the entire cam barrel (the whole metal ring).

Is this what typically happens when the 50 f/1.4 stops AF?  I sent mine to Canon for repair, when it stopped AF,  but had no idea what they had to do.

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Olga

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