Asahi Pentax Super-Takumar 50mm f/1.4 Model I (8-Element) Vintage Lens Review | ePHOTOzine
HD PENTAX-D FA☆ 50mmF1.4 SDM AW / Telephoto Lenses / K-mount Lenses / Lenses / Products | RICOH IMAGING
Amazon.com : HD PENTAX-D FA50mmF1.4 SDM AW Single-focus standard lens New-generation, Star-series lens Extra-sharp, high-contrast images Free of flare and ghost images, Black : Electronics
File:PENTAX K-1 + A 50mm F1.2.jpg - Wikimedia Commons
SMC Pentax-M 50mm f1.4 Lens Review on Sony A7s and a6000 - The Weekend Lens - Photography || Vintage Lens Reviews || Sony E-mount
Hands-on with the Pentax HD FA* 50mm F1.4 (for real this time): Digital Photography Review