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 →