Thank you for using Canon products. Firmware Version 1. 4. 1 incorporates the following improvements and fixes: 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. Fixes a phenomenon in which a synchronization failure may occur during multiple flash shooting. Fixes Read more. . . . canonrumors.com
2018-1-16 17:46