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Firmware v1.1.1 for Canon EOS-1D Mark IV improves function with upcoming lenses  
Friday, March 30, 2012 | by Rob Galbraith
Firmware v1.1.1 for the Canon EOS-1D Mark IV "[o]ptimizes the camera's exposure accuracy when using EF 24mm f/2.8 IS USM and EF 28mm f/2.8 IS USM lenses." Specifically, it's meant to prevent instances of overexposure that might otherwise occur with Canon's new image-stabilized wide angles slated to ship in June of this year.

Firmware v1.1.1 can be accessed via the firmware link on the Canon EOS-1D Mark IV support page on the Canon UK site.

Thanks to Shig Tokuda for bringing this to our attention.
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  • Canon posts Wireless File Transmitter setup guides (May 8, 2012)
  • Canon opts for low-tech but effective solution to EOS 5D Mark III metering error (May 2, 2012)
  • Canon updates EOS 5D Mark III metering error advisory (April 24, 2012)
  • Canon posts firmware v1.1.2 for Canon EOS 5D Mark III (April 24, 2012)
  • Canon releases DPP with EOS 5D Mark III RAW processing fix (April 17, 2012)
  • Canon EOS 5D Mark III shipments halted in Canada (April 16, 2012)
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  • Canon EF 24-70mm f/2.8L II USM now expected in early July (April 12, 2012)
  • Canon EOS-1D X ship date slips to middle of June (April 12, 2012)
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