Hereâ€™s a couple of new telephoto zoom lenses from Sigma, the APO 50-150mm F2.8 II EX DC HSM and the APO 70-200mm F2.8 II EX DG Macro HSM.
The Sigma APO 50-150mm F2.8 II EX DC HSM is a new large aperture telephoto zoom lens designed exclusively for digital SLR cameras with APS-C size sensors. It is compact and lightweight and has a minimum focusing distance of 100cm/39.4in.
The Sigma APO 70-200mm F2.8 II EX DG Macro HSM lens also has a minimum focusing distance of 100cm/39.4in. It has a maximum magnification ratio of 1:3.5 making it suitable for taking all type of subjects such as portraits, landscape, and close-up pictures.
When the 70-200mm lens is used with the optional 1.4x EX DG APO or 2x EX DG APO Tele Converters, it becomes a 98-280mm F4 AF telephoto zoom lens or a 140-400mm F5.6 AF telephoto zoom lens respectively.
[Site: Sigma USA]