Canon DSLR Error 01 Free and Easy FIX | Works for ALL Canon DSLR - YouTube
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How To Fix «Err 01: The communication between the camera and lens is faulty» Error On Canon Camera
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24-70mm 2.8 lens error. : r/canon
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canon error 01-How to fix faulty lens communication in hindi!Canon Dslr err01 fix in 5 Mins - YouTube
Error 01 , communication between camera and lens faulty. Clean lens contact” | DIGITAL CANON repair blog
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Err 01 Communications between the camera and lens is faulty
Any idea how to fix this? It's happening with my sigma 75-300mm lenses I haven't used it in over a year. I've cleaned it with a normal cloth by nothing is helping? :
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