**System Information**
Windows 8.1 64bit, NVIDIA GeForce GTX760
**Blender Version**
Broken: 2.75 rc2 Hash: c85a58a
Worked: 2.74 Hash: 000dfc0
Dither in postprocessing has no effect in final render (Blender internal) when i press F12.
**Exact steps for others to reproduce the error**
Open Blender
Load factory settings
Select Camera
press [g][z][z][7][-][Return][F12]
then change dither to 2 and press [F12] again.
same color bandings are visible