Sigma 17-70 f2.8-4 DC OS HSM FOR CANON(DISCONTINUED)

Product Highlights

  • Aperture Range: f/2.8-22
  • Hyper Sonic AF Motor
  • Optical Stabilizer
  • Macro Capabilities
  • Compact and Lightweight TSC Construction
  • FLD, SLD, and Aspherical Lens Elements
  • Super Multi-Layer Coating
  • Compatible with Sigma USB Dock
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SKU: SIG1770284CAN Categories: , , Tag:

Description

Mixing a useful zoom range with a sophisticated design, the Canon EF-mount Sigma 17-70mm f/2.8-4 DC Macro OS HSM is a Contemporary-series lens, also characterized by its compact, lightweight profile. The bright f/2.8-4 maximum aperture range pairs with the wide-angle to short-telephoto zoom range to create an ideal travel and everyday lens. The optical design uses a series of low dispersion and aspherical elements to control color fringing and distortion in order to realize high clarity and sharpness. A Super Multi-Layer Coating has also been applied to suppress flare and surface reflections for improved contrast in bright conditions. Also, this zoom sports a high 1:2.8 maximum magnification and 8.7″ minimum focusing distance to suit working with close-up subjects.

In terms of handling, a Hyper Sonic Motor is incorporated in the design to provide fast, quiet, and precise autofocus performance along with full-time manual focus override. An Optical Stabilizer also minimizes the appearance of camera shake for sharper handheld shooting. Additionally, the 17-70mm f/2.8-4 features a rounded seven-blade diaphragm for smooth bokeh quality and it is compatible with the optional USB Dock for fine-tuning focusing characteristics and updating its firmware.

  • As part of the Contemporary line within Sigma’s Global Vision series, this lens is designed to achieve a balance between convenience and performance, and meshes a compact, lightweight build and versatile handling with notable optical attributes.
  • Wide-angle to short-telephoto zoom is designed for APS-C-format Canon EF-mount cameras and provides a 27.2-112mm equivalent focal length range.
  • Bright f/2.8-4 maximum aperture range is suitable for working in available light conditions and also benefits depth of field control for isolating subject matter.
  • One Special Low Dispersion (SLD) and two F Low Dispersion (FLD) elements are featured in the optical design and help to reduce color fringing and chromatic aberrations for improved clarity and color accuracy.
  • Three aspherical elements are used to help limit distortion and spherical aberrations and also contribute to greater overall sharpness and accurate rendering.
  • A Super Multi-Layer Coating has been applied to lens elements in order to minimize lens flare and ghosting and contribute to producing contrast-rich and color-neutral imagery, even in backlit conditions.
  • Ideal for close-up shooting, this lens offers a 1:2.8 maximum magnification along with a minimum focusing distance of 8.7″ to suit working with nearby subjects.
  • Integrated HSM (Hyper Sonic Motor), along with a rear focus system, realizes quick and quiet autofocus, which is further complemented by an optimized AF algorithm to produce smoother focusing performance. The HSM also permits full-time manual focus control simply by rotating the focus ring at any time.
  • Optical Stabilizer system minimizes the appearance of camera shake to benefit making sharper imagery when shooting handheld.
  • Rounded seven-blade diaphragm contributes to a smooth and pleasing bokeh quality.
  • Constructed using a Thermally Stable Composite (TSC) material for greater precision and use in wide temperature variations. Additionally, a brass bayonet affords improved mounting accuracy and rigidity.
  • This lens is compatible with the optional Sigma USB Dock for fine-tuning different lens characteristics and updating its firmware.

Additional information

Lens
Focal Length

17 to 70mm (35mm Equivalent Focal Length: 27.2 to 112mm)

Maximum Aperture

f/2.8 to 4

Minimum Aperture

f/22

Lens Mount

Canon EF

Format Compatibility

APS-C

Angle of View

79.7° to 22.9°

Maximum Magnification

0.357x

Maximum Reproduction Ratio

1:2.8

Minimum Focus Distance

8.66″ (22 cm)

Optical Design

16 Elements in 14 Groups

Diaphragm Blades

7, Rounded

Focus Type

Autofocus

Lens Image Stablization

Yes

Filter Thread/Size

Front: 72 mm

Physical
Dimensions

3.11 x 3.23" / 79 x 82 mm

Weight

1.02 lb / 465 g

Packaging Information
Box Dimensions (LxWxH)

6.05 x 4.2 x 4.15"

Package Weight

1.405 lb

If you find any inaccurate information above please let us know.

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