Amazon.com : Pentax 100mm f/2.8 WR D FA smc Macro Lens for Pentax Digital SLR Cameras : Camera Lenses : Electronics
Pentax 100mm f/4 SMC-M
SMC Pentax-A 100mm F2.8 Macro Reviews - A Prime Lenses - Pentax Lens Reviews & Lens Database
Pentax K 100/4 Macro SMC Pentax A | 23083,38
Pentax-D FA 100mm f/2.8 Macro WR Lens Review
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