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Rent NowThe Sigma 18-35mm f/1.8 DC HSM Art is a groundbreaking standard zoom lens designed specifically for APS-C-sized sensors on Canon EF-mount cameras, distinguished as the first wide-angle-to-standard zoom lens to achieve a large constant aperture of f/1.8. Covering a 28.8-56mm 35mm-equivalent focal range, it shoots like a prime lens while retaining zoom flexibility, part of Sigma’s Art line and well suited to landscape, portrait, still life, street, and everyday photography.
Optically, the lens is built from 17 elements in 12 groups, including four aspherical lens elements and five SLD (Special Low Dispersion) glass elements, minimizing distortions and aberrations throughout the zoom range for clear, sharp imagery. A wide glass-molded aspherical element combined with SLD glass specifically compensates for aberrations and curvature at the widest angle. Sigma’s Super Multi-Layer Coating reduces flare and ghosting for improved contrast and color accuracy, even in backlit conditions, and a rounded 9-blade diaphragm creates pleasing background blur, a quality typically reserved for prime lenses.
The constant f/1.8 maximum aperture suits use in difficult lighting conditions, opening up low-light shooting opportunities previously only possible with fast prime lenses, while also offering impressive depth-of-field control throughout the zoom range. Autofocus is handled by Sigma’s Hyper Sonic Motor (HSM), delivering fast, quiet, and accurate autofocus performance, paired with an internal focusing and zoom design that keeps the front element stationary, useful for polarizing filters on the 72mm filter thread. The lens is also compatible with Sigma’s optional USB Dock for fine-tuning autofocus characteristics and updating firmware.
Build quality uses a metal mount combined with a Thermally Stable Composite (TSC) barrel, offering greater elasticity than polycarbonate along with minimal thermal shrinkage and exceptional hardness. The lens has a minimum focusing distance of 11.0″ (28cm), yielding a maximum magnification ratio of 1:4.3, and measures approximately 78 x 121mm, weighing a substantial 810g given its fast aperture and all-metal, 17-element construction.
As an APS-C-specific lens, the Sigma 18-35mm f/1.8 DC HSM Art does not offer full-frame sensor coverage and is designed exclusively for Canon’s APS-C EF-S mount cameras.
Key Features
– 18-35mm constant f/1.8 standard zoom (Art series) for Canon APS-C EF-mount
– Approximately 28.8-56mm full-frame-equivalent field of view
– 17 elements in 12 groups, including 4 aspherical and 5 SLD elements
– Super Multi-Layer Coating
– Hyper Sonic Motor (HSM) autofocus with internal focusing and zoom design
– Rounded 9-blade diaphragm
– Compatible with Sigma USB Dock for AF calibration and firmware updates
– Metal mount with Thermally Stable Composite (TSC) barrel
– Minimum focusing distance of 11.0″ (28cm)
– Maximum magnification ratio of 1:4.3
– 72mm filter thread (non-rotating front element)
– No image stabilization
– Approximate weight: 810g
– Designed exclusively for Canon APS-C EF-mount cameras
