Pentax DA* 16-50mm f/2.8 Review: The Best Lens for the K-3 Mark III
Last year, Ricoh Imaging released the Pentax K-3 Mark III, which proved to be an excellent (yet expensive) DSLR. Ricoh says the Pentax-DA* 16-50mm f/2.8 ED PLM AW is the "ultimate general professional-grade zoom lens" for APS-C DSLR systems like the K-3 Mark III, and I have to say it lives up to that.