Linear Polarizer on G1x
All research is pointing to the fact that I can use a Linear Polarizer on a G1x without any issues, but seeing as there is still some debate, I thought I'd ask here for the final word.
That is correct. The possibility to use a (cheaper) linear polarizer depends on the the system of focussing. Cameras with contrast detection (like the G1X and most compact cameras) can use linear and circular polarizers. Cameras with phase detection (like DSLR's) can only use circular polarizers.