Sigma announces new APO 70-200mm F2.8 EX DG MACRO HSM lens |
| Sigma announces the new APO 70-200mm F2.8 EX DG Macro HSM lens. This large aperture telephoto zoom lens has a minimum focusing distance of 100cm (39.4 inch) throughout the entire zoom range. Sigma's APO zoom lenses have been made using special low-dispersion (SLD) glass, to minimize color aberration and a motor driven by ultrasonic waves (HSM) ensures high-speed and quiet auto focus... |