Latest 5D3 news and information 2017 November 5D Mark III firmware version 1.3.5 (download) incorporates the following fix: 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. 2016 November 14th Firmware
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