OPEN BOX - Sigma 581-306 18-50 mm f2.8 EX DC Macro Digital Zoom Lens for Nikon Digital SLR Cameras

For a medium quality consumer lens, the Sigma offers outstanding optical performance, and respectable build quality. I have owned and/or tested four samples of this lens, and although none was a bad lens, they did vary in optical quality, as Sigma's...

I bought this a few months ago to replace my standard Nikon 18-55mm VR 'kit' lens. First used it on a Nikon D80, now a D200. Plus points: Very sharp and crisp, fast + bright (large 2.8 aperture), solidly built, internal focusing, lens hood Minus...

stunning lens! compares favourably with Nikon 17-55 28. this sigma lens is quite quick to focus, lightweight and very sharp even at full aperture