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Product Description
This revolutionary lens has a minimum focusing distance of 20cm (7.9”) 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.
This lens offers a large F2.8 aperture at 17mm wide angle and yet it is compact, with an overall length of just 82.5mm (3.2”) and diameter of 79mm (3.1”). Performance is superb, even in relatively low light conditions indoors or at dusk.
The lens is equipped with an inner focusing system, which prevents the front element from rotating making it particularly suitable for petal shaped hoods and circular polarizing filters. The lens is also equipped with a zoom lock that eliminates 'zoom creep' during transit.
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.
This lens offers a large F2.8 aperture at 17mm wide angle and yet it is compact, with an overall length of just 82.5mm (3.2”) and diameter of 79mm (3.1”). Performance is superb, even in relatively low light conditions indoors or at dusk.
The lens is equipped with an inner focusing system, which prevents the front element from rotating making it particularly suitable for petal shaped hoods and circular polarizing filters. The lens is also equipped with a zoom lock that eliminates 'zoom creep' during transit.
Additional Information
| Model | Sigma 17-70mm |
| In Depth | This revolutionary lens has a minimum focusing distance of 20cm (7.9”) 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. This lens offers a large F2.8 aperture at 17mm wide angle and yet it is compact, with an overall length of just 82.5mm (3.2”) and diameter of 79mm (3.1”). Performance is superb, even in relatively low light conditions indoors or at dusk. The lens is equipped with an inner focusing system, which prevents the front element from rotating making it particularly suitable for petal shaped hoods and circular polarizing filters. The lens is also equipped with a zoom lock that eliminates 'zoom creep' during transit. |
