Final yr, Ricoh Imaging launched the Pentax Okay-3 Mark III, which proved to be a superb (but costly) DSLR. Ricoh says the Pentax-DA* 16-50mm f/2.8 ED PLM AW is the “final common professional-grade zoom lens” for APS-C DSLR techniques just like the K3 Mark III, and I’ve to say it lives as much as that.