- both lenses Emitar 1:3,5/75mm
- other parameters like "Start B"
- new finder and back cover locking
- redesigned - more modern looking (several
different
finishing of name plates)
- "66S" had again automatic
exposure counter, but film advance still by knob
There are exemples of "Start 66"
made by WZFO or PZO. In late 60s PZO step by step
incorporated WZFO.