updated 10:30 pm EDT, Mon April 23, 2012
Canon details 5D Mk 3 light bug and 1.1.2 update
Canon tackled some of the teething issues of the EOS 5D Mark III, including its exposure bug. In a statement, it said that the LCD was skewing the displayed exposure value, but not the actual shot. The company would inspect DSLRs on request starting in mid-May, but it didn't see cause for a fix.
Separately, Canon has posted an update to the 5D Mark III to widen and fix features. The 1.1.2 upgrade now supports the GP-E2 GPS receiver. Fixes address issues with a pink color cast over the image if the shutter is fully pressed when the camera auto powers off, with the camera not working properly after a high dynamic range shot, mismatches in recorded shooting time, and two localization bugs.
At present, the firmware updater needs a Windows PC to run. Canon hasn't said how soon it might have a Mac-friendly upgrade tool available.