Canon Knowledge Base - Keeping lens contacts clean on the EOS M50
Error 01 , communication between camera and lens faulty. Clean lens contact” | DIGITAL CANON repair blog
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Received an error code 01 on a 24-105mm I USM F.4, solutions? Already cleaned contacts too : r/canon
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Canon Knowledge Base - How to clean the lens contacts on a Canon lens.
Photography Tips : How to Clean Camera Lens Contacts - YouTube
Old Sigma 18mm lens causes Err 01 on Canon DSLR - Photography Stack Exchange
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? :
Thomas Camera Services Ltd - #Error01 on a Canon EOS 650D. This fault can be caused by either the body or the lens. For example: lens contact issues on the body or
Canon Error 1 Problem - How to fix faulty lens communication Canon camera & lens. - YouTube
Canon err 01 fix. 3 ways how to fix faulty lens communication Canon Camera - YouTube
Cleaning Your Camera Lenses With Isopropyl Alcohol and Purosol
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