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
Amazon.com : Pentax SMCP-D FA 50mm f/2.8 Lens for Pentax and Samsung Digital SLR Cameras (OLD MODEL) : Camera Lenses : Electronics
Pentax K-1 50mm f/2.8 macro D-FA test shots - YouTube
Pentax D FA 50mm f/2.8 macro - Review / Test Report
Pentax smc D-FA 50mm F2.8 Macro Overview: Digital Photography Review
Best Buy: PENTAX smc PENTAX-D FA 50mm f/2.8 Macro Lens FA 50mm f/2.8 Lens
Pentax SMC D-FA Macro 50mm F2.8 Review | PCMag
Pentax D FA 50mm f/2.8 macro - Review / Test Report
Pentax D FA 50mm F2.8 Macro Lens Specifications | Neocamera
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