Pentax has today announced a new digital camera zoom lens designed for use with K-AF-mount cameras such as the *istD and *istDS. The smc Pentax-DA 50 - 200 mm F4 - 5.6 ED is constructed of 11 elements in 10 groups including ED elements (Extra-low Dispersion). It has a filter diameter of 52mm and weight just 260g. It is expected to be available in July.

Press Release:

PENTAX to Exhibit a Digital Camera Zoom Lens at PMA 2005

PENTAX Corporation is pleased to announce the exhibition of the following reference product at PMA 2005, the largest photo merchandise trade show in the U.S.A., to be held from February 20 to 23 in Orlando, Florida.

Product overview

Interchangeable telephoto zoom lens for exclusive use with PENTAX digital SLR cameras

Model name (tentative): smc PENTAX-DA 50mm-200mm F4-5.6 ED

Major features

  • Compact, lightweight zoom lens designed for exclusive use with PENTAX KAF-mount digital SLR cameras
  • Four-times zoom coverage in the telephoto range, featuring an angle of view from 31.5 degrees to 8.1 degrees (equivalent in focal length from 76.5mm to 306mm in the 35mm format), when mounted on the PENTAX *istD or *istDS digital SLR camera body
  • 11-element/10-group optical construction incorporating ED (Extra-low Dispersion) optical elements
  • 52mm filter size
  • Dimensions (diameter x length): 66.5mm x 78.5mm (2.6˝ x 3.1˝)
  • Weight: 260g (9.2 oz.)