New Sigma telephoto zoom lenses

Sigma announces two new telephoto zoom lenses - Digital cameras, digital camera reviews, photography views and news newsDecember 3, 2007 - 10.00 GMT
Sigma announces two new tele zoom lenses. The APO 50-150mm F2.8 II EX DC HSM is a compact, lightweight, large aperture tele zoom lens with a minimum focusing distance of 100cm / 39.4 inch and equipped with a HSM system which allows quiet and high-speed auto focusing with offering full manual focus override by just rotating the focusing ring. The new APO 70-200mm F2.8 II EX DG MACRO HSM  has the same minimum focusing distance of 100cm / 39.4inch and maximum magnification of 1:3.5...More