Here's a fun one, howabout a body cap that cleans the contacts in the camera every time you put it on and take it off? Mix that with a backcap that does the same and that should eliminate those pesky contact errors.

Patent Publication No. 2014-219568

  • Published 2014.11.20
  • Filing date 2013.5.8

Canon patent

  • Body cap with a cleaning member for rubbing the contact

Source: [EG]


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