Hi everyone.
ISO button on my 50D is stuck. I need to use more force when press this button than I do on WB/AF button and It make low sound. I think it was stuck at edge on shell. Anyone have same problem and how to solve?
Give it to someone able to perform something like this: https://www.youtube.com/watch?v=WikfndYxGbg
If disambled it should be easy to clean button mechanics with Isopropanol.