![Amazon.com : MINT ASAHI SMC Pentax-M 50mm f/4 MACRO Prime Lens for Pentax PK - ULTRA SHARP - Made in Japan : Electronics Amazon.com : MINT ASAHI SMC Pentax-M 50mm f/4 MACRO Prime Lens for Pentax PK - ULTRA SHARP - Made in Japan : Electronics](https://m.media-amazon.com/images/I/51E62JxZ9zL.jpg)
Amazon.com : MINT ASAHI SMC Pentax-M 50mm f/4 MACRO Prime Lens for Pentax PK - ULTRA SHARP - Made in Japan : Electronics
![Amazon.com : Pentax SMCP-D FA 50mm f/2.8 Lens for Pentax and Samsung Digital SLR Cameras (OLD MODEL) : Camera Lenses : Electronics Amazon.com : Pentax SMCP-D FA 50mm f/2.8 Lens for Pentax and Samsung Digital SLR Cameras (OLD MODEL) : Camera Lenses : Electronics](https://m.media-amazon.com/images/I/81L1JLSTySL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Pentax SMCP-D FA 50mm f/2.8 Lens for Pentax and Samsung Digital SLR Cameras (OLD MODEL) : Camera Lenses : Electronics
![Shop : Buy Pentax 50mm F4 Supermulticoated Macrotakumar Lens for M42: TLA0823/5123202 : Blue Moon Camera and Machine Shop : Buy Pentax 50mm F4 Supermulticoated Macrotakumar Lens for M42: TLA0823/5123202 : Blue Moon Camera and Machine](https://s3-us-west-2.amazonaws.com/bmc-penny-images/production/1200/11.07.59-b07d39fe338a889394ad564c0e2b56d2.jpg)
Shop : Buy Pentax 50mm F4 Supermulticoated Macrotakumar Lens for M42: TLA0823/5123202 : Blue Moon Camera and Machine
![Amazon.com : PENTAX DFA Macro 50mm F2.8K Mount Monofocal Macro Lens Full Size APS-C 21530 : Camera Lenses : Electronics Amazon.com : PENTAX DFA Macro 50mm F2.8K Mount Monofocal Macro Lens Full Size APS-C 21530 : Camera Lenses : Electronics](https://m.media-amazon.com/images/I/91RAOdeO0kL.jpg)