Sigma today announced 3 new lenses which will all be available in Sigma, Canon, Nikon, Pentax and Sony mounts:
1. Sigma 10-20mm F3.5 EX DC HSM Super Wide Angle
2. Sigma 18-50mm F2.8-4.5 DC OS HSM Standard Zoom
3. Sigma 50-200mm F4-5.6 DC OS HSM Telephoto
The Sigma 10-20mm F3.5 EX DC HSM is a new super-wide angle lens offering a maximum aperture of F3.5 throughout the entire zoom range. The incorporation of HSM (Hyper Sonic Motor) ensures a quiet and high-speed AF as well as full-time manual focusing capability.
The Sigma 18-50mm F2.8-4.5 DC OS HSM is a new standard zoom lens for DSLRs with APS-C / DX size sensors. It incorporates Sigma’s Optical Stabilization system which works with the anti-shake function of Sony and Pentax DSLRs.
The Sigma 50-200mm F4-5.6 DC OS HSM is a new high-performance telephoto zoom lens. It incorporates Sigma’s Optical Stabilization system which allows the use of shutter speeds approximately 4 stops slower than normal. The lens is also compatible with the anti-shake function of Sony and Pentax DSLRs.
[Site: Sigma USA]