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Sigma 17-70mm f/2.8-4 DC Macro HSM Contemporary Lens for Sony A-Mount

Sigma 17-70mm f/2.8-4 DC Macro HSM Contemporary Lens for Sony A-Mount

SKU 884205
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$599.00
$599.00 - $599.00
$599.00
$401.99
$401.99 - $401.99
$401.99

This Sigma 17-70mm f/2.8-4 DC Macro HSM Contemporary lens offers a versatile wide-angle to short-telephoto zoom range, ideal for diverse photographic applications. Its sophisticated optical design, featuring low dispersion and aspherical elements, ensures high clarity and sharpness while minimizing aberrations. A Hyper Sonic Motor provides fast, quiet, and precise autofocus, complemented by a Super Multi-Layer Coating to reduce flare for superior contrast. With a 1:2.8 maximum magnification and 8.7-inch minimum focusing distance, this compact lens excels in close-up photography, producing smooth bokeh with its rounded seven-blade diaphragm.

Key Features
  • A-Mount Lens/APS-C Format
  • 25.5-105mm (35mm Equivalent)
  • Aperture Range: f/2.8 to f/22
  • Two FLD Elements, One SLD Element
  • Three Aspherical Elements
  • Super Multi-Layer Coating
  • Hyper Sonic Motor AF System
  • 1:2.8 Magnification, 8.7" Minimum Focus
  • Rounded 7-Blade Diaphragm

Designed for use with:

  • DSLR Cameras

    • Sony Alpha A68

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Sigma 17-70mm f/2.8-4 DC Macro HSM Contemporary Lens for Sony A-Mount

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Features

Mixing a useful zoom range with a sophisticated design, the Sony A-mount Sigma 17-70mm f/2.8-4 DC Macro 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. 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 Sony A-mount cameras and provides a 25.5-105mm 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.
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.

Item Includes

  • Sigma 17-70mm f/2.8-4 DC Macro HSM Contemporary Lens for Sony A
  • Sigma LCF-72 III 72mm Lens Cap
  • Sigma LCR II Rear Lens Cap for Sony A
  • Sigma Lens Hood for 17-70mm f/2.8-4 DC OS HSM Contemporary Macro Lens
  • Limited 1-Year Warranty
  • Limited 3-Year U.S.A. Warranty Extension

Item Includes

Focal Length

17 to 70mm (35mm Equivalent: 25.5 to 105mm)

Maximum Aperture

f/2.8 to 4

Lens Format Coverage

APS-C

Focus Type

Autofocus

Image Stabilization

No

Filter Size

72 mm (Front)

Maximum Aperture

f/2.8 to 4

Minimum Aperture

f/22

Lens Mount

Sony A

Lens Format Coverage

APS-C

Angle of View

79.7° to 22.9°

Minimum Focus Distance

8.66" / 22 cm

Maximum Magnification

0.36x

Macro Reproduction Ratio

1:2.8

Optical Design

16 Elements in 14 Groups

Aperture/Iris Blades

7, Rounded

Focus Type

Autofocus

Image Stabilization

No

Filter Size

72 mm (Front)

Dimensions

ø: 3.11 x L: 3.23" / ø: 79 x L: 82 mm

Weight

1.02 lb / 465 g

Packaging Info

Package Weight

1.37 lb

Box Dimensions (LxWxH)

6.1 x 4.35 x 4.2"


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