EX (EX Lens)
The exterior of this lens is EX-finished to denote the superior build and optical quality, and to enhance its appearance.

IF (Inner Focus)
To ensure stability in focusing, this lens moves the inner lens group or groups without changing the lens' physical length.

HSM (Hyper-Sonic Motor)
This lens uses a motor driven by ultrasonic waves to provide a quiet, highspeed AF.

ASP (Aspherical Lens)
The aspherical lens complex allows freedom of design, improved performance, a reduced number of component lenses and a compact size.

DG (DG for DIGITAL & FILM)
These are large-aperture lenses with wide angles and short minimum focusing distances. With an abundance of peripheral illumination, they are ideal lenses for Digital SLR Cameras whilst retaining suitability for traditional 35mm SLRs.

17-35mm f/2.8-4 EX DG ASHPHERICAL HSM

A super wide-angle zoom lens with a large aperture. Designed to suit the special characteristics of digital cameras

17-35mm F2.8-4 EX DG ASPHERICAL HSM is specially designed to suit the characteristics of digital SLR cameras.This lens has a compact dimensions that features overall length of 86.2mm/3.3in. SLD (Special Low Dispersion) Glass is used for effective compensation of color aberration. Two pieces of molded glass aspherical lens elements offer excellent correction for distortion as well as all types of aberration.

Excellent optical performance was realized both for Digital SLR cameras and film SLR cameras.

Minimum focusing distance of 27cm/10.6in allows you to come very near to subject
It has a minimum focusing distance of 27cm / 10.6in. at all focal lengths, and maximum magnification ratio of 1:4.5. This super-wide angle lens' useful range of view is very convenient for close-up photography.

HSM (Hyper Sonic Motor) provides quiet, high-speed autofocus shooting, as well as full-time manual focus
Sigma, Nikon and Canon are equipped with Hyper Sonic Motor (HSM). It is easy to revert to Manual Focus by simply turning the focusing ring and overriding the AF.
An inner focus system provides high performance and convenience. The inner focus system allows the lens to be focused without having to rotate the front of the lens, so the lens accepts a Petal-type hood and it is also easy to use a circular polarizing filter.

Inner Focus System
An inner focus system provides high performance and convenience. The non-rotating lens barrel perfectly suits the matched petal shaped lens hood.

SIGMA 17-35mm F2.8-4 EX DG ASPHERICAL HSM is awarded TIPA best consumer lens in Europe , 2004
The large aperture super-wide angle zoom lens Sigma " 17-35mm F2.8-4 EX DG ASPHERICAL HSM " that incorporates the very latest optical technology, wins " TIPA (Technical Image Press Association) best consumer lens in Europe, 2004 " prize.

Currently, 31 publications from 12 countries are members of TIPA (Technical Image Press Association) organization and chief editors and technical editors of these publications constitute this organization.

Price: £249

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Lens Construction
16 Elements in 13 Groups

Angle of View
103.7 - 63.4 degrees

Number of Diaphragm Blades
8 Blades

Minimum Aperture
F22

Minimum Focusing Distance
27cm

Maximum Magnification
1:4.5

Filter Size
77mm

Dimensions
Diameter 83.5mm X Length 88.7mm

Weight
560 g