24 70mm F2.8 FA ED SDM WR HD Lens

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 Pentax 24-70mm F2.8 ED SDM WR HD Lens 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, this large-aperture standard zoom lens covers a focal-length range from 24mm ultra-wide-angle to 70mm standard, and provides a maximum aperture of F2.8 over the entire zoom range. Exceptional imaging power Consisting of 17 elements in 12 groups, the newly designed optics feature three ED (Extra-low Dispersion) optical elements, one anomalous-dispersion-glass aspherical optical element and three aspherical optical elements to accommodate super-high-resolution image sensors. By assuring sufficient light levels even at