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The Sigma 17-40mm f/1.8 DC Art is a revolutionary large-aperture zoom lens engineered for APS-C mirrorless cameras with Canon RF mount compatibility. Combining the versatility of a zoom lens with constant f/1.8 aperture throughout the entire focal range, this premium optic delivers prime-lens image quality across diverse shooting scenarios. Featuring an advanced optical design with 17 elements in 11 groups including four SLD and four aspherical elements, the lens achieves exceptional sharpness and minimal aberrations even at wide-open aperture. The HLA (High-response Linear Actuator) autofocus system ensures fast, quiet, and accurate focusing ideal for both stills and video work. Built with an inner zoom mechanism that maintains consistent lens length, plus minimal focus breathing for smooth cinematic focus pulls, this compact and lightweight performer (just 535g) includes water- and oil-repellent front coating and dust- and splash-resistant construction. Perfect for hybrid creators, videographers, and photographers seeking a single lens solution that excels in low-light conditions and produces stunning shallow depth-of-field bokeh effects.

ColourBlack
Filter Diameter67mm
Lens MountCanon RF Mount
Lens TypeStandard Zoom
Max Aperturef/1.8
Min Focal Length17mm
Zoom Focal Length40mm
  • Lens Body
  • Lens Hood
  • Front and Rear Lens Caps

Manufacturer Warranty


This product comes with a

12  month Australian warranty

from CR Kennedy & Company
(the sole authorised Australian Distributor)

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  • Priority repair service
  • Extended care beyond manufacturer warranty
  • Annual health check gear specific
  • Sensor clean on selected camera packages
  • Repair or replacement for manufacturing faults T&Cs apply
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* Dispatch timeframes are indications only and may vary for multiple quantities. Timeframes are updated regularly during normal business hours.