5x7 and 8x10
Which was always a special size on request.

35mm and 120 roll film format is standard at the Foma factory for T200.

I find it half the speed of HP5+; also, that it has less of a tolerance for underexposure. At 1/2 second you need to start adding exposure to account for reciprocity
Correct, which you can find back in the Fomapan 400 data sheet:

Even in Diafine, Microphen, Xtol/Fomadon Excel W27 you can get iso 400-320 only.