PMA09: Sigma Announces 18-50mm F2.8-4.5 DC OS HSM
The Sigma Corporation is pleased to announce the new Sigma 18-50mm F2.8-4.5 DC OS HSM. This large aperture standard zoom lens incorporates Sigma’s original Optical Stabilisation function. This lens offers a large aperture of F2.8 at 18mm wide angle.
