Tamron AF 28-200mm F/3.8-5.6 LD Aspherical-IF Super 271D for Pentax AF SLR DSLR
Optics are clean and bright, focus and zoom are smooth, will work on Pentax K fit film and digital SLR's, this also includes the Samsungs that use PK fit lenses, ggod lens with zoom from wide angle to telephoto