Pentax Zoom
SMC Pentax-M 4.5/80-200mm, Retrieved from recycling center (may 2017).
The original case is in poor condition, but the zoom is like new, with front and rear caps, and U.V. filter.
SMC Pentax-M Zoom 4.0/75-150mm, Given by Gilles Colas with the Pentax Super A.
It looks a lot like the previous one. By limiting the amplitude of the focal lengths, you can have a maximum opening a little higher, and in theory a better quality of image. I should test...