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Sigma 17-70mm f/2.8-4 DC Macro OS HSM C (Contemporary) APS-C Lens for Canon EF-S Mount {72}

Model #363254
  • $267.00

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New in box complete with manufacturer's USA warranty. Not previously owned or used.
Essentially new with no signs of use. “Open box.” In manufacturer's packaging with original accessories and instructions. 180-day warranty.
Barely used with virtually no traces of wear. Only the closest inspections will reveal slight use. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Lightly used with limited signs of wear. Exceptionally nice but may have slight wear on finish visible. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Noticeably used with average signs of wear. Shows moderate wear for the age of the item, with the possibility of blemishes and/or minimal dings. Lens glass may have average dust and zoom/focus ring tension may have slight looseness or tightness overall, but will not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Frequently used with above-average wear. May have dents, dings, or finish loss. Lens glass may have small scratches, dust, and blemishes, and zoom/focus ring tension may have moderate looseness or tightness overall, but should not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Heavily used with extensive visible wear. Equipment is rough, with multiple impressions in the finish, excessive finish loss and brassing. Glass will have marks, fungus and/or heavy/cloudy haze which could affect picture quality. Accessories usually not included, unless noted in listing. Not covered under KEH warranty.
Non-functional or damaged. Equipment will not work. Usable for parts. Not covered under KEH warranty and non-returnable.
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Sigma's proven APS-C walkaround lens with macro reach

The 17-70mm f/2.8-4 DC Macro OS HSM Contemporary covers the focal range that APS-C shooters actually use day to day. On a Canon crop sensor body, that translates to roughly 27-112mm equivalent, giving you a wide enough angle for interiors and environmental portraits while reaching far enough to isolate a subject across a table or stage. The f/2.8 maximum at the wide end gives you real low-light headroom, and the aperture graduates to f/4 at 70mm, a trade-off that keeps the lens compact without sacrificing too much.

The HSM autofocus motor is quiet and responsive, which matters when you're shooting in places where noise is an issue. Optical stabilization adds another layer of confidence for handheld work in dim conditions. The macro capability is a genuine feature, not marketing language, the lens focuses close enough to produce useful 1:2.7 magnification ratios for product or nature detail shots without swapping glass. At 72mm filter thread, it accepts common filter sizes.

For a Canon EF-S shooter who wants one lens that travels light without compromising too much in any direction, this is a well-established option that has earned its reputation over more than a decade of use.

Who It's For

Travel photographers who work from a single body will appreciate the focal range and built-in stabilization for handheld shots in low light. Street and documentary shooters get the f/2.8 wide-end aperture for indoor and evening work without carrying fast primes. Hobbyist macro photographers can work flower details and small subjects at close focus distances without a dedicated macro lens. Event and family photographers shooting with a crop-sensor Canon body get a quiet HSM autofocus system that won't disrupt the room.

Key Features

  • 17-70mm focal range with f/2.8 maximum at wide end
  • Hyper Sonic Motor autofocus for silent, responsive focusing
  • Optical image stabilization for handheld work
  • 1:2.7 macro magnification without focal length sacrifice
  • Canon EF-S mount for APS-C bodies only
  • 72mm filter thread for standard accessories

FAQ

What's the effective focal length on a Canon crop sensor?
17-70mm becomes roughly 27-112mm equivalent on APS-C, giving you wide-angle coverage for interiors and reach sufficient for subject isolation across a room.
Is the f/2.8-4 aperture range usable for low-light work?
Yes. The f/2.8 maximum at 17mm provides real handheld capability in dim conditions, though the f/4 at 70mm requires steadier technique or stabilization.
How close does it focus for macro work?
The lens achieves 1:2.7 magnification ratio, producing sharp detail shots of products or small subjects without requiring a dedicated macro lens.
Does HSM autofocus matter for video or stills?
HSM is quiet and responsive for both. If you shoot in sound-sensitive environments (theater, documentary work, interviews), the silent motor is genuinely useful.
Will optical stabilization help handheld shooting?
OS adds one to two stops of compensation, which extends your shutter speed options at 70mm where the aperture drops to f/4.
What filter size does it use?
72mm filters, a common size that means you won't need to buy adapters or duplicate filter sets.
Is this lens still relevant for Canon EF-S shooters?
Yes. It remains a practical one-lens solution for APS-C travel and daily work-no performance gaps at standard focal lengths.
SpecificationValue
Focal Length17-70mm
Max Aperturef/2.8
Min Aperturef/4
MountCanon EF-S
Filter Thread72 mm

This description was generated using AI based on KEH's internal product standards, product expertise, and knowing what customers care about most. While we strive for accuracy, details may vary by individual item.

Brand Name Sigma
Filter Size 72mm
Focus Type Autofocus (lens motor)
Lens Mount Canon EF
Lens Type Wide-Angle, Standard / Normal
Max Focal Length 70mm
Min Focal Length 17mm