Tamron 18-200 XR Di II Pentax Black

18-200 XR Di II Pentax The AF18-200mm is a high-power zoom lens in the new XR Di II for exclusive use with digital SLRs. Tamron's original development of proprietary core technologies such as Aspherical element production, Multiple Cam Mechanism and Integrated Focus Cam design lend to the creation of the world's lightest, most compact 11.1X zoom lens made for digital SLR cameras.