While it's bigger than entry-level cameras with smaller APS-C image sensors, the 6D is compact for a full-frame D-SLR. It measures 4.4 by 5.7 by 2.8 inches (HWD) and weighs just under 1.7 pounds ...
Both cameras feature built in HDR creation, multiple exposure, AF Micro-adjustment, full HD video recording, electronic level (dual axis on the 5D Mark III), the same ISO settings from ISO50 to ...