Sigma 17-70mm f/2.8-4 DC Macro OS HSM Lens for Canon Mount Digital SLR Cameras

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Price: $429.99   

Product Feature

• Sigma Corporation is pleased to announce its newly upgraded 17-70mm F2.8-4 DC Macro OS HSM lens.
• Focusing distance of 8.7 inches

Product Description

Sigma's 17-70mm F2.8-4 DC Macro OS HSM is the practical zoom! A large-aperture, standard zoom lens for digital cameras with an open-aperture value of F2.8 (at 17mm) and covers the most frequently used focal lengths. With an aperture fast enough to be used in many light situations, its close focusing for use with very small object and its outstanding optical performance make this an ideal all-around lens for landscapes, portraits, still life studies, group shots and just about any everyday photo situation. The OS, Sigma's anti shake feature, offers the use of shutter speeds approximately 4 stops slower than would otherwise be possible. The OS feature allows Sony and Pentax users the option of viewing a stabilized image in the viewfinder, a feature offered only by Sigma. HSM ensures quiet and high speed AF capability. With a faster aperture than the typical camera kit lens it is an excellent choice for the photographer who has higher expectations for their photo equipment.

Designed exclusively for use with smaller chip APS-c camera

Offers Sigma's OS System (Optical Stabilization) allowing handheld photography even in low-light situation

Close focusing down to only 8.7 away for a 1:2.7 magnification which is approximately ½ life size

Three aspherical & ELD glass elements provide critical sharpness & low distortion

A Super Multi-Coating is used to reduce the occurrence of flare & ghosting and delivers high performance across the entire focusing range

A lens hood and front & rear lens caps are included with the lens.

Specifications
Lens Construction 17 Elements in 13 Groups
Angle of View 72.4-20.2
Number of Diaphragm Blades�7
Mininum Aperture f22
Minimum Focusing Dis

Sigma 17-70mm f/2.8-4 DC Macro OS HSM Lens for Canon Mount Digital SLR Cameras Review

I own a great deal of glass... lenses litter my office. Most of the lenses I'm glad I purchased and a few, well, those go to the Land of Ebay. This one, however, will never be far from my camera(s). I owned the predecessor, the 17-70 f/2.8-4.5 HSM, an excellent lens and a supreme value. Effectively, a 25-105mm, perfect walkabout lens with Macro capability - equally adept at the candid portrait as well as the quick nature shot. Images post process quite well. So, it was a bit of trepidation that I purchased the updated lens... would it perform as well? Would the OS (Image stabilization built into the lens) be effective? Is it still a great value Nikon lens? Fortunately, the answer to all three questions is a resounding yes. If anything, images are a bit sharper out of camera. OS is effective from 2-3 stops. And absolutely, this lens is a phenomenal value especially compared to the fantastic 17-55mm f/2.8 NIKON lens priced at a healthy four figures. So unless you're loaded and/or totally convinced that only Nikon glass can work effectively on Nikon bodies, consider this lens for your arsenal. It's a strong step up from the kit lenses and a healthy competitor to the venerable 17-55mm.

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