Sigma 17-70mm f/2,8-4 DC HSM OS Macro Specifications

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Name Sigma 17-70mm f/2,8-4 DC HSM OS Macro

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Manufacturer Sigma
Release Date and Price
Release Year 2009
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Lens Type
Lens Type Normal Zoom Lens
Zoom or Prime Zoom lens (with the ability to zoom in and out)
Mount and Compatibility
Mount Canon (see compatible cameras)
Nikon (see compatible cameras)
Compatibility Designed for APS-C cameras (see compatible cameras)
Closest Focusing Distance 22 cm
1:1 at Macro
Autofocus (AF) Yes
Built-in autofocus (AF) motor Yes (more info)
Maximum aperture f/2,8-4
The lens aperture and brightness varies at different focal lengths.
f/2,8 at 17 mm
f/4 at 70 mm
(Read more)
Elements: 17 elements / 13 groups
Focal Range: 17-70 mm

This is a "DC" lens, designed for APS-C sensors, and will have a focal length equivalent to: 
On Canon cameras: 27-112 mm
On Nikon cameras: 26-105 mm

Read more on the cameras impact on the perceived focal length
Diameter 79 mm
Length 88 mm
Weight 535 g (see the total weight, camera+lens)
Image stabilization Yes, OS
Filter Filter Thread, 72 mm
Lens Hood LH780-04 (included)
Tripod mount No (Read more)
Weather sealing No

Product description from Sigma

At launch 2009 Sigma wrote this regarding Sigma 17-70mm f/2,8-4 DC HSM OS Macro:

"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 cameras

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."

Product Page (Sigma):

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