The Petri FT II is a 35mm SLR from Petri released in 1971, it is a successor of Petri FT. A hot shoe and a black plastic attachment for the winding knob, the photometer lever, self timer lever are newly equipped.
There are two different version of the internal mechanism, a single camshaft charging system for early one, later changed to a lever charging system. The change happened serial number of around S/N76XXXX.
After the internal change of Petri FT II, Petri has never released single camshaft charging system camera (such as FA-1, MF-1).