Sigma announces large aperture standard zoom lens for digital SLRs |
| Sigma announces the new 17-70mm F2.8-4.5 DC Macro lens,a large aperture zoom lens specially designed for digital SLR cameras featuring APS-C size image sensor. The lens has a minimum focusing distance of 20cm (7.9”) throughout the entire zoom range. Maximum magnification of 1:2.3 enables close-up photography like a macro lens. The lens offers a large aperture of F2.8 at 17mm wide angle and yet it is compact, with an overall length of 79mm (3.1”)... |