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Sigma 17-70mm f/2.8-4 DC Macro OS HSM Contemporary Lens for Canon EF

BH #SI1770284DCC • MFR #884101
Sigma
Sigma 17-70mm f/2.8-4 DC Macro OS HSM Contemporary Lens for Canon EF
Key Features
  • EF-Mount Lens/APS-C Format
  • 27.2-112mm (35mm Equivalent)
  • Aperture Range: f/2.8 to f/22
  • Two FLD Elements, One SLD Element
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.
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Sigma 17-70mm f/2.8-4 DC Macro OS HSM Contemp... Overview

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.
UPC: 085126884543

Sigma 17-70mm f/2.8-4 DC Macro OS HSM Contemp... Specs

Focal Length17 to 70mm (35mm Equivalent Focal Length: 27.2 to 112mm)
Maximum Aperturef/2.8 to 4
Minimum Aperturef/22
Lens MountCanon EF
Lens Format CoverageAPS-C
Angle of View79.7° to 22.9°
Minimum Focus Distance8.66" / 22 cm
Maximum Magnification0.36x
Macro Reproduction Ratio1:2.8
Optical Design16 Elements in 14 Groups
Diaphragm Blades7, Rounded
Focus TypeAutofocus
Image StabilizationYes
Filter Size72 mm (Front)
Dimensions (ø x L)3.11 x 3.23" / 79 x 82 mm
Weight1.02 lb / 465 g
Packaging Info
Package Weight1.405 lb
Box Dimensions (LxWxH)6.05 x 4.2 x 4.15"

Sigma 17-70mm f/2.8-4 DC Macro OS HSM Contemp... Reviews

Great service

By Johan
Rated 5 out of 5
Date: 2021-07-05

Fast service. Product has met my expectations.

Aperture issues hobble an otherwise great lens

By Mattie
Rated 3 out of 5
Date: 2021-02-24

I bought this for video (EF mount). Every other zoom lens I’ve ever owned could keep a consistent f-stop by stopping down (so f4.0 on the wide end would stay f4.0 throughout the zoom range). Here the aperture changed no matter where I set it. I tried this on native EF mounts and adapted to my GH5s, and it always had that same issue. I like the look of the lens and LOVE the zoom range. If they fixed this or even just released a slower 17-70 with a constant aperture, I’d be all in. As is, I had to sell it.

Very Pleased with this lens

By Tyrone
Rated 5 out of 5
Date: 2020-10-17

I have this lens mounted on my Nikon Z50 mirrorless camera. This lens produces photos that are crystal clear and very sharp. For me it’s a great walk around lens, because it’s relatively small and light. This lens will be seeing a lot of use in the near future.

Lots of Potential

By Joseph
Rated 3 out of 5
Date: 2020-10-12

I really wanted to love this lens. There are a lot of things that it wants to do. The things I'm going to be grading it on are really the two things that I thought this lens would be good for. Macro, which is in the name, and an all-purpose zoom. Most zooms in this range are only going to be f4, so the fact that his starts faster isn't a bad thing. The problem here is that the autofocus is fundamentally broken for this to be a good all-purpose lens. Because this is mostly designed around being a Macro Lens, the amount of focus given to subjects at non-macro distances isn't very much, meaning that the focus pull from 1 foot to infinity is about an inch. This causes the lens to hunt more than normal, and all but forget about using this lens manually. So then you have to talk about his lens as a Macro lens, of which it just isn't nearly sharp or detailed enough. I honestly would recommend a single purpose Full Frame Macro lens from Sigma to replace this one, as it really isn't very good at either job that you think it would be good for. It is bright. It is ok optically for general use, but the construction also feels cheap enough that I would tell a majority of people to avoid.

Like the range of this lens

By Carol
Rated 5 out of 5
Date: 2020-09-28

Seems to be well built and a high quality lens

Great walk around lens!

By Tim
Rated 5 out of 5
Date: 2020-06-30

This lens is well worth the price. Images are sharp with snappy contrast. Focusing is quick and accurate. I'm really glad I purchased this for my new EOS 90D.

lense

By Howard
Rated 5 out of 5
Date: 2021-04-21

Have only taken a few pix so far very satisfied

great lens especially at the price

By Jason
Rated 5 out of 5
Date: 2021-02-27

some issue focusing at extremes but ca't beat the price

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Asked by: Rolf
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Will this lens work with the Canon 70d?
Asked by: Anonymous
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Hi, would this lens fit a panasonic GH4?
Asked by: Anonymous
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Answered by: Heather S.
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Is this lens compatible with Canon 6D?
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Hello there! Is this lens by chance parfocal in ...

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Will this lens work with the Panasonic GH4 and Speed Booster?
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If you are using the M43 to Canon version, yes.
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Does this lens fit a Canon T2i?
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