Ricoh officially announced the previously rumored three new HD PENTAX-FA Limited lenses for Pentax K-mount:
“Ricoh Imaging Americas Corporation today announced three HD PENTAX-FA Limited interchangeable lenses for use with PENTAX K-mount SLR cameras. Featuring the latest HD coating and a round-shaped diaphragm for a natural bokeh effect, these new prime lenses boast improved imaging performance to deliver sharp, distinctive images in combination with a K-mount camera body, while sporting an attractive exterior design.”
HD PENTAX-FA 31mm f/1.8 Limited lens: Adorama | B&H
HD PENTAX-FA 43mm f/1.9 Limited lens: Adorama | B&H
HD PENTAX-FA 77mm f/1.8 Limited lens: Adorama | B&H
The detailed lens specifications and the full press release can be found here.