Amazon.com : Pentax smc PENTAX-FA 50mmF1.4 Classic, Single-Focus, Standard Lens for use with K-Mount Digital SLR Cameras ND Filter Included : Electronics
PENTAX SMC-A 50mm f1.4 MF Lens for film and digital camera | eBay
Pentax M SMC 50mm f1.4 – Legacy 50mm. Which one is the best? Part 9 | Verybiglobo photo