If you are a Pentax collector or want to learn more about Pentax SLR lenses, this is a great introduction to the wide variety available. 6 pages, date unknown (poss 1990s) this book does not have charts with specs but a visual and written description of the variety of Pentax lenses, considerations when selecting and using and the feature of quality and innovation with types of Pentax lenses.
Condition: light overall wear, in excellent condition
Original - never a copy!