Amazon.com : Tamron AF 10-24mm f/3.5-4.5 SP Di II LD Aspherical (IF) Lens for Pentax Digital SLR Cameras B001P (Model B001P) : Camera Lenses : Electronics
Tamron SP AF 10-24/3.5-5.6 Di II Review - Bob Atkins Photography
Tamron SP AF 10-24mm F3.5-4.5 Di II LD Aspherical (IF) review: Digital Photography Review