Ricoh has announced the HD PENTAX-DA 20-40mm F2.8-4 ED, the first zoom lens in its Limited series. It boasts a weather-resistant build (another Limited first) and provides an equivalent focal of length 30.5-61.5mm in 35mm terms when mounted to a Pentax K-mount DSLR body. The lens barrel, hood and cap are all made of aluminum. Click through for the full press release and details.
News: Digital Photography Review (dpreview.com)