Sigma announces updated 17-35mm lens By
Michael R. Tomkins, The Imaging Resource (Wednesday, November 19, 2003 - 13:38 EST)Sigma Corp. has announced an updated version of its 17-35mm F2.8 - 4 zoom lens with a revised optical and mechanical design.
The Sigma 17-35mm F2.8-4 EX DG ASPHERICAL HSM zoom lens weighs 560 grams, and has a diameter of 83.5mm with a length of 86.2mm. It will be available in Sigma, Canon, Nikon, Minolta and Pentax mounts, and uses a Hyper Sonic Motor (Sigma, Nikon and Canon mounts only) allowing full-time manual focus capability.
The Sigma and Canon-mount versions of the new lens will ship on December 12th, followed by a Nikon-mount version at the end of December, and Minolta / Pentax-mount versions in January 2004. Pricing has not yet been announced.
Sigma AF 17-35mm F2.8 - 4 EX DG ASPHERICAL / HSM
Focal Length
17-35mm
Minimum Aperture
F22
Lens Construction
16 Elements in 13 Groups
Focusing System
Inner Focus
Angle of View
103.7° - 63.4°
Number of Diaphragm Blades
8 pcs
Minimum Focusing Distance
27cm (10.6”)
Maximum Magnification
1 : 4.5
Filter Size
77mm
Lens Hood
Petal Hood
Dimensions
Diameter 83.5mm (3.3”) x Length 86.2mm (3.4”)
Mounts (AF)
Sigma, Canon; Available on December, 12th 2003
Nikon (D); Available toward the end of December 2003
Minolta (D), Pentax; Available in January, 2004
Weight
560gr / 19.8 ounces
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The appearance and specifications of the product are subject to change for improvement without notice.
Original Source Press Release:
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.