Canon uses 300mm wafers
I am glad that someone confirms that Canon is using 300MM wafer. I have been suspecting it for a while but I have no way to find out. If Canon is really using the 300mm wafer, then the price gap between APS-C and FF sensor will even be smaller due to: 1. the cost per unit area of finished wafer is smaller. 2. The ratio of site between FF and APS-C is closer due to the ratio between perifferal partial site to whole site is smaller. May be the difference in final cost can be down to around $200.