- Minimum focusing distance of 20cm, with an impressive
maximum magnification of 1:2.3 at all focal lengths.
- New design and multi layer coating reduce flare and
- Aspherical and SLD lenses offer excellent correction for
- Large aperture of f/2.8 at the wide angle setting.
Sigma Corporation is pleased to announce the launch of the new
17-70mm F2.8-4.5 DC MACRO
lens is ideally suited for a wide variety of subjects and is designed
specifically for digital SLR cameras featuring APS-C size image
revolutionary lens has a minimum focusing distance of 20cm
throughout the entire zoom range. A maximum magnification of 1:2.3
enables extreme close-up photography. An impressive achievement for a
standard zoom lens. The new lens design and multi layer lens coating
reduce flare and ghosting, a common problem with digital cameras. A
Special Low Dispersion (SLD) lens and two aspherical lens elements
provide excellent correction for all types of aberrations and produce
a high level of optical performance throughout the entire zoom range.
offers a large F2.8 aperture at 17mm wide angle and yet it is
compact, with an overall length of just 79mm (3.1) and
82.5mm (3.2). Performance is superb, even in relatively low
conditions indoors or at dusk.
design incorporates an inner focusing system, which ensures fast AF
speed as well as preventing the front of the lens rotating, making it
particularly suitable for use with circular polarizing filters and
petal shaped lens hoods.
is also equipped with a zoom lock that eliminates Zoom