Ricoh has announced the new Pentax HD DA 16-85mm f/3.5-5.6ED DC WR lens for Pentax K-mount DSLRs.
It is a weather-sealed lens with 11 seals. The lens consists of 16 optical elements in 12 groups and features an ED (Extra-low Dispersion) optical element to effectively compensate for chromatic aberrations, and aspherical optical elements to minimize color bleeding.
The Pentax HD DA 16-85mm f/3.5-5.6ED DC WR retails for $749.95 and should be available in November 2014. Check it out here at B&H Photo.