Amazon.com : Pentax Asahi SMC M 1:2 2 50mm 50 mm - PK Bajonett : Electronics
Amazon.com : Pentax-A A SMC 50mm 50 mm 2 1:2 K : Electronics
Amazon.com : Pentax-A A SMC 50mm 50 mm 2 1:2 K : Electronics
Excellent +++++] Pentax ME & SMC Pentax-M 50mm F1.7 From JAPAN | eBay
Amazon.com : TTArtisan 50mm F1.2 APS-C Large Aperture Cameras Lens Manual Focus MF Compatible with Nikon ZFC Z Mount Camera Like Z50 Z50, Z6, Z7, Z5, Z6II, Z7II Camera (Silver) : Electronics