I have a Canon EF 50mm f/1.8 II lens and while I was taking a shot using AF, the lens detached and opened into two parts in the ring at the tip of the lens, and I got an error: "shooting is not possible due to an error". How can I get it back to its normal function?

image: enter image description here

  • Which 50mm lens, and by "detached" do you mean the lens broke apart into two pieces? Or that the manual focus ring isn't engaging/working? Do you have a picture of the damage? – inkista Oct 25 '15 at 13:57
  • 1.8,broke apart into 2 pieces – Mohamed Amin Oct 25 '15 at 14:08
  • 2
  • Above reference really is a good answer, and perhaps could be moved there. – DrMoishe Pippik Oct 25 '15 at 18:06
  • i updated the topic with image lens is EF 50/1.8 II – Mohamed Amin Oct 25 '15 at 21:01

Not sure this is really an answer, but the following PDF file is an unofficial guide to disassembly of the EF 50mm f/1.8 II:


Hopefully, if you have the appropriate skillset and tools, you can disassemble your lens, find what's wrong with it, and then reverse the disassembly to put it back together. However, some folks say that the reason the front of their EF 50mm f/1.8 II fell out is that something broke inside the lens and it may not be possible to get replacement parts. Because the EF 50mm f/1.8 II is so cheap, however, the idea of destroying it in attempting to repair it may not be an issue, since a service repair might cost more than getting a new copy of the lens, and you may have nothing to lose.

  • this manual helped me and really solved the problem,and the ring was the problem,i disassembly following this manual and everything went well – Mohamed Amin Oct 28 '15 at 0:10

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.