Canon has released firmware upgrades for five DSLR cameras to address an issue that produces irregular exposures when shooting with three tilt/shift lenses.

The upgrades apply to the EOS 1D X, 1D X II, 5D III, 5DS R and 6D cameras and the issue is associated with use of the silent live-view mode with the  TS-E 50mm f/2.8L Macro, TS-E 90mm f/2.8L Macro or TS-E 135mm f/4L Macro lenses. The upgrades for the EOS 1DX II and 5DS R also upgrade JPEG functions to EXIF Version 2.3 and add support for in-camera lens corrections (chromatic aberration, distortion and peripheral illumination correction) plus Digital Lens Optimiser functions when processing raw files shot with the TS-E 17mm f/4L, TS-E 24mm f/3.5L II, TS-E 50mm f/2.8L Macro, TS-E 90mm f/2.8L Macro, or TS-E 135mm f/4L Macro lenses using Canon’s Digital Photo Professional software.  

All updates can be found in the Drivers and Downloads section of Canon’s Australian Support page at