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What is the lifespan of an EF 50mm f/1.4 USM?

Started May 25, 2016 | Discussions thread
OldSchoolNewSchool Senior Member • Posts: 1,403
Re: What is the lifespan of an EF 50mm f/1.4 USM?

I had mine 4 or 5 years and it acted like I had dropped it in sand (which I hadn't).  The autofocus mechanism was crunchy, and then it stopped altogether.  I hadn't used the lens much and I babied it all the while.  The lens was sent off to Canon for repairs.  I got it back, used it for a year, and then learned this was a common problem.  Figuring it would someday fail me again, I sold it while it was still functioning properly and replaced it with a Sigma 50mm f1.4 EX DG HSM lens.  The Sigma, IMHO is better than the Canon 50mm f1.4 lens in every way, except it is bigger and heavier, though no so much that it is annoying.

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