Sigma APO 120-400mm F4.5-5.6 DG

Sigma APO 120-400mm lens for Sony and Pentax - Digital cameras, digital camera reviews, photography views and news newsMay 14, 2010 - 07.50 GMT
Sigma releases the APO 120-400mm F4.5-5.6 DG OS HSM zoom lens for Sony and Pentax cameras. The lens incorporates Sigma's Optical Stabilizer function that enables the use of shutter speeds approximately 4 stops slower. Furthermore, the lens incorporates HSM (Hyper Sonic Motor) which ensures a quiet and high-speed AF as well as full manual focusing capability. The optional 1.4x or 2x EX DG APO Tele Converters (Sony) produce a 168-560mm F6.3-8 MF or a 240-800mm F9-11 MF ultra-telephoto zoom lens respectively...More