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

Started May 25, 2016 | Discussions thread
Steve Balcombe Forum Pro • Posts: 15,582
Re: What is the lifespan of an EF 50mm f/1.4 USM?
3

RogerZoul wrote:

Steve Balcombe wrote:

The solution I often see suggested is to keep a lens hood attached to protect the inner barrel from pressure, and always remember to retract the barrel before putting in a bag.

I wonder if keeping the lens hood attached is always a wise thing to do. Lenses do come with hoods for some reasons...I've always assumed the reasons were 1) to block sunlight, and 2) to protect the front element. Maybe the list is longer...

Usually those are the only reasons, but a hood which attaches to the main barrel can protect an extending inner barrel from damage. It's not a very common configuration but it happens to be the case with the 50/1.4.

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