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? :
14 How To Repair Canon Camera Lens Error ideas | best camera lenses, best canon lenses, camera lens
Canon Knowledge Base - Error 01 displayed on an EOS Mirrorless Camera.
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7D - Err 01 at DVinfo.net
ERR01. Communication between the lens is faulty clean the lens contents #err01 - 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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How to fix Err 01 communications between the camera and lens is faulty | Emergency solution | - YouTube
Received an error code 01 on a 24-105mm I USM F.4, solutions? Already cleaned contacts too : r/canon
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Err 01' on Canon 24-70mm f/4 L IS USM :( - YouTube
Issues with EF 24-70 f2.8 L version 1 lens. : r/canon
Err 01 Communications between the camera and lens is faulty
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