Here's a little mini tiny little video testing my new Canon 5D mkIII. I used an older Canon FD 50mm f/1.4 lens.
No color correction was used, I used EOSHD.com's 5D mkIII setup below.
Sharpness +1 (1 notch above zero, far left)
Contrast 0 (middle)
Saturation 0 (middle)
Color tone 0 (middle)
Movie rec. size: 1920 24/25p, ALL I
High ISO speed NR – OFF
Highlight tone priority (HTC, D+) – OFF
Auto Lighting Optimiser – OFF
In Custom Controls set the SET button to Mag/Reduce for your focus assist
Use the Kelvin scale manual setting for best results.