A high-performance, interchangeable standard zoom lens for use with PENTAX K-mount digital SLR cameras, providing exceptional imaging power and a large F2.8 maximum aperture

When mounted on a 35mm-format full-frame digital SLR camera body (currently under development), this large-aperture standard zoom lens covers a focal-length range from 24mm ultra-wide-angle to 70mm standard,^*1 and provides a maximum aperture of F2.8 over the entire zoom range.