Rent a Pentax 100mm f/2.8 Macro smcP-D-FA at CameraLensRentals.com
smc PENTAX-D FA Macro 100mm F2.8 WR - Ricoh
SMC Pentax-F 100mm F2.8 Macro Reviews - F Prime Lenses - Pentax Lens Reviews & Lens Database
Pentax SMC-D FA 100mm f/2.8 macro - Review / Test Report
Venus Optics' 100mm F2.8 Ultra Macro lens is now available with Pentax K mount, new stepless EF mount version also available: Digital Photography Review