Firmware update for Canon EOS 1DX

Changes in the Firmware
Firmware Version 2.1.0 incorporates the following improvement and fixes:

  1. Fixes a phenomenon in which standard exposure may not be obtained, or an irregular exposure may result, when Silent LV (Live View) shooting with the following TS-E lenses: TS-E 50mm f/2.8L MACRO, TS-E 90mm f/2.8L MACRO, or TS-E 135mm f/4L MACRO.
  2. Changes the maximum number of “Release cycles” displayed from 1,000,000 cycles to 9,999,000 cycles. This value can be checked under the “Camera system information” menu.
  3. Fixes a phenomenon in which a synchronization failure may occur during multiple flash shooting.
  4. Fixes a phenomenon in which Error 80 occurs depending on the shutter release timing.

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