I found that my lens does something odd at 24mm. Its a canon 24-70mm 2.8L that won't autofoucs at 24mm. If I turn it slightly to the right, it works fine. But all the way out at 24mm, it just struggles to focus and will not lock onto anything. The only exception is when the target is something very close to the camera (like within 2-3 feet) in which case it will focus. But anything else that is further away won't work.
Thank you,
Sarah
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Hi, chances are the flexible aperture ribbon has cracked and causing these issues, all Canon zoom lenses at some stage will have this part wear/break and require replacing, average lifespan of part EF-S lenses 2-5 years, EF lenses 5 years, EF L Series 5-10 years.
See your local repairer the repair cost is economical on this lens.
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Were you ever able to find a solution for this? I have exactly the same problem. Is your zoom ring sticking around 70mm?
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