The Sigma 28-70mm f/2.8-4 DG Lens is a wide angle to telephoto zoom lens that offers a wide f/2.8 aperture at 28mm, and is very lightweight (just 8.6 oz) and compact (only 2.5" long). When used with a digital camera that features the smaller APS-C size sensor, the equivalent focal range is 42-105mm. The size and weight of this standard lens makes it very suitable for landscape photography, indoor photography, or general snapshots.
The improved DG lens design corrects for various aberrations. This lens is specially coated to get the best color balance, while cutting down on ghosting caused by reflections from the digital image sensor. The lens provides the utmost correction against lateral chromatic aberration, which is a serious problem for digital SLR cameras.
- Incorporates an Aspherical lens element to minimize distortion
- As part of the DG line, this lens is optimized for digital cameras
- Minimum focusing distance of 19.7" (50cm) throughout its entire zoom range