WFC Linearity
In slow mode, WFC is linear within 1% up to 40,000 counts. In fast mode, WFC is linear within 1% up to 25,000 counts and to 2% up to 60,000 counts. There is not much apparent difference between the 4 CCDs in both fast and slow readout mode.
WFC LINEARITY PLOTS:
WFC fast readout (click to enlarge):
WFC slow readout (click to enlarge):