Tamron AF 17-50mm f/2.8 SP XR Di II LD Aspherical [IF] (Nikon) - Review / Test Report
Amazon.com : Tamron AF016P-700 SP AF17-50mm F/2.8 Di II LD Aspherical (IF) Lens with Hood for Pentax AF Cameras (Black) (Model A16P) : Digital Slr Camera Lenses : Electronics
Tamron SP AF XR LD Aspherical IF Di II 17-50mm F2.8 Lens Reviews - Tamron Lenses - Pentax Lens Review Database
Portrait :: Lens: Tamron SP AF 17-50 mm f/ 2.8 XR Di II LD Aspherical (IF) - test photo :: AllPhotoLenses.com
Pentax K 17-50mm F2.8XR (Focal Length 17 to 50mm, Maximum Aperture f2.8, Minimum Aperture f32) | Lazada PH