Amazon.com : Pentax SMC M 28mm F2.8 Lens : Slr Camera Lenses : Electronics
SMC Pentax 28mm F2.8 - A Lens With so Many Uses - YouTube
My great-uncle gave me an Asahi Pentax Spotmatic from the 60s, complete with 3 lenses, flash, and all the original documentation/manuals… it was purchased originally in the Belgium National airport. I'm new