Never Used:
Sigma 28-70mm f2.8-4 high speed zoom lens features a large aperture with lightweight and compact dimensions. At a 28mm focal length, this lens has a fast f2.8 maximum aperture. The lightweight of 8.6 ounces and the short length of 2.6 inches makes this lens very compact. The size and weight of this standard lens make it very suitable for landscape photography and snapshots. This lens has a minimum focus distance of 19.7 inch, 50 cm at all focal lengths and incorporates an aspherical lens element to minimize distortion. The lens materials used in this new lens are lead and arsenic free ecological glass.
Features & details
Large f2.8 aperture at 28-millimeter focal length; 6.5x zoom magnification
Minimum focusing distance of 19.7 inches
Multilayer lens coating and design reduce flare and ghost
High image quality through entire zoom range with aspherical lens element
For Nikon digital SLR cameras; supplied lens hood blocks out extraneous light