UPDATE: 5/3/2013 if you’re using mRAW or sRAW in your workflow, check out my recent article to see if you’re actually saving yourself hard drive space.
UPDATED 4/3/2012 to add metric for mRAW to CF, sRAW to SD.
I am in love with my new Canon 5d3. A huge sigh of relief for me is the dual card slots, so I can always have a backup. Unfortunately there’s a big performance difference between the SD card slot and the CF card slot.
If Canon had chosen to support the UHS-1 standard, we’d get roughly equal performance. As it is, they supported SDXC, but not UHS-1. (For the record, the camera will work with a UHS-1 card, it just won’t support the improved write speeds. I’m using one in my camera and it works fine.) Continue reading Canon 5d mark III | Record Separately Vs. Record to Multiple | Performance Comparison