Articles Ricoh: New HD PENTAX-D FA 24-70mmF2.8ED SDM WR Interchangeable Standard Zoom Lens: Large F2.8 Maximum Aperture for PENTAX K-mount Digital SLR Cameras & a 35mm-format Full-frame Digital SLR Camera Body (Currently Under Development) Today, Ricoh announces the launch of the HD PENTAX-D FA 24-70mmF2.8ED SDM WR interchangeable standard zoom lens with the following highlights: Focal range of 24-70mm Bright, fast F2.8 constant aperture HD (High... September 25, 20155 min read