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Rent NowSigma 17-70mm f/2.8-4 DC Macro OS HSM Contemporary Lens (Canon EF Mount)
The Sigma 17-70mm f/2.8-4 DC Macro OS HSM is a premium, highly versatile standard zoom lens designed for APS-C format Canon EF-mount DSLRs. As a benchmark entry in Sigma’s esteemed Global Vision Contemporary line, this lens elegantly balances travel-friendly convenience with elite performance. Covering a 27.2-112mm full-frame equivalent range, it spans wide-angle landscapes to short-telephoto portrait compressions, making it an exceptional everyday walkaround upgrade over standard kit lenses.
Variable f/2.8-4 Speed & Premium Optics
Bright Maximum Aperture: The wide f/2.8-4 variable aperture threshold enables excellent light-gathering performance in available light conditions while granting enhanced control over depth of field for clean subject isolation.
Advanced Dispersion Correction: The sophisticated internal layout integrates one Special Low Dispersion (SLD) element and two F Low Dispersion (FLD) elements to aggressively minimize color fringing and chromatic aberrations, maximizing edge-to-edge color accuracy.
Aspherical Precision: Outfitted with three aspherical glass elements to suppress geometric distortion, astigmatism, and spherical aberrations for uniform center-to-edge sharpness across all focal lengths.
Super Multi-Layer Coating: Individual glass elements feature Sigma’s multi-layer anti-reflective treatment to combat lens flare and ghosting, maintaining rich image contrast and deep color neutrality even when framing backlit subjects.
7-Blade Rounded Diaphragm: Incorporates a rounded seven-blade aperture structure to yield a smooth, organic background blur (bokeh) when separating foreground subjects.
Advanced Close-Up Capability & Handling
True Macro Performance: Ideal for close-up photography, this lens maintains an impressive 8.7″ minimum focusing distance throughout the zoom range, delivering a notable 1:2.8 maximum magnification ratio to isolate fine, minute details.
Hyper Sonic AF Motor (HSM): Driven by an integrated Hyper Sonic Motor and an advanced rear-focus algorithm to deliver rapid, dead-accurate, and near-silent autofocus acquisition.
Full-Time Manual Override: The HSM system permits seamless, full-time manual focus override, letting you tweak critical focus points instantly simply by rotating the focus ring at any time without switching out of AF mode.
Optical Stabilizer (OS) System: Features Sigma’s built-in Optical Stabilizer to counteract handheld vibrations and camera shake, enabling you to shoot sharp images at slower shutter speeds without a tripod.
Industrial Construction & Customization
Thermally Stable Composite (TSC): Constructed from high-tech Thermally Stable Composite material, which exhibits minimal structural expansion or contraction through extreme environmental temperature variations.
Durable Brass Bayonet Mount: Machined from solid brass to ensure long-term mounting accuracy, structural rigidity, and a precise fit onto camera bodies.
USB Dock Compatibility: Fully compatible with the optional Sigma USB Dock, allowing users to fine-tune specific focus metrics, customize operational parameters, and update the lens’s firmware at home.
Included Accessories
Dedicated Lens Hood Included: Ships complete with its original matching petal-shaped lens hood to shield the front objective from stray, off-axis light while offering extra front-element impact protection.
Front & Rear Caps Included: Includes the front and rear lens caps to safeguard the glass elements from dust, fingerprints, and smudges during storage or travel.
Technical Specifications
Focal Length Range: 17-70mm (27.2-112mm Full-Frame Equivalent)
Aperture Range: f/2.8-4 to f/22
Lens Mount Type: Canon EF (APS-C Format Only)
Filter Thread Diameter: 72mm
Minimum Focus Distance: 8.7″ (22 cm)
Maximum Magnification Ratio: 1:2.8
Weight: Approx. 16.4 oz (465g)
