Sigma 17-35mm F2.8-4 EX DG HSM
Launched November 2003
17-35mm F2.8-4 EX DG ASPHERICAL HSM
Covers a super-wide angle of view 104 degrees. Its large aperture makes this lens an excellent companion for both Digital SLRs and Film Cameras.
- Minimum focusing distance of 27cm at all focal lengths.
- Maximum Magnification of 1:4.5
- HSM (Hyper Sonic Motor) system (only for Sigma, Nikon and Canon mounts). Featuring full time manual focus.
- EX DG Series, the ideal lens for Digital SLR Cameras
Sigma Corporation is pleased to announce the launch of the new 17-35mm F2.8-4 EX DG ASPHERICAL HSM.
The lens covers a super-wide angle of view 104°and has a large-aperture. It has a minimum focusing distance of 27mm at all focal lengths, and maximum magnification ratio of 1:4.5. The models which are equipped with HSM (Hyper Sonic Motor) system are ensured a quiet, high-speed AF as well as offering Full Time Manual Focusing.
Special Low Dispersion (SLD) and two aspherical glass elements provide excellent compensation for distortion as well as for various aberrations. The design concept of this lens is especially suitable for the characteristics of Digital SLR Cameras. The high performance inner focus system is particularly suitable for using circular polarizing filters and a petal-type hood as the front of the lens does not rotate.
| Specifications | |
| Construction | 16 Elements in 13 Groups |
| Focal Length | 17-35mm |
| Maximum Aperture | ƒ2.8-4 |
| Minimum Aperture | ƒ22 |
| Field of View | 103.7-63.4° |
| Minimum Focus Distance | 27cm |
| Number of blades | 8 |
| Maximum Magnification | 1:4.5 |
| Zooming System | N/A |
| Filter Size | 77mm |
| Diameter | 83.5mm |
| Length | 86.2mm |
| Weight | 560g |
| SRP at launch: | £429.99 |
| Available Mounts: | Sigma AF, Canon AF, Nikon AF, Pentax |