SIGMA 17-40MM F1.8 DC ART - (CANON RF)

SIGMA 17-40MM F1.8 DC ART - (CANON RF)

The SIGMA 17–40mm f/1.8 DC Art (Canon RF) is a groundbreaking wide-to-normal zoom engineered for APS-C mirrorless creators who demand uncompromised image quality, speed, and control. As the world’s first 17–40mm constant f/1.8 zoom, it delivers prime-level sharpness, stunning low-light performance, and beautifully smooth bokeh across the entire range. Building on the legacy of the iconic 18–35mm f/1.8, this next-generation Art lens expands versatility with a wider zoom range, over 30% weight reduction, and a professional feature set tailored for hybrid shooters. Powered by Sigma’s ultra-responsive HLA autofocus motor, supported by an internal zoom design, minimal focus breathing, dual AFL buttons, and a tactile aperture ring, it delivers exceptional stability for both stills and video. With premium optics including SLD and aspherical elements, weather-sealed construction, and water-/oil-repellent coatings, this compact 560g lens pushes creative freedom to new extremes—making it the ultimate all-purpose tool for professional and enthusiast image-makers.

Key Features

• Constant f/1.8 ultra-bright aperture for exceptional low-light performance and beautiful background separation

• 17–40mm wide-to-normal zoom (25.5–60mm full-frame equivalent) ideal for landscapes, portraits, travel, and video

• Prime-like image quality with 17 elements in 11 groups, including SLD and aspherical elements

• HLA (High-response Linear Actuator) delivers fast, quiet, and precise autofocus

• Inner zoom mechanism ensures balance and stability—perfect for gimbal use

• Minimal focus breathing for consistent framing in video production

• Aperture control ring with click and lock switches for intuitive exposure control

• Dual AFL buttons for customizable shooting efficiency

• Dust- and splash-resistant body with durable brass bayonet mount

• Water- and oil-repellent coatings on the front element for easier maintenance

• 28cm minimum focus distance across the entire zoom range

• 11-blade rounded diaphragm for smooth, creamy bokeh

• Compact and lightweight at 560g with a 67mm filter thread

In the box:

• Sigma 17-40mm f/1.8 DC Art Lens for Canon RF
• Sigma LCF-67 IV Lens Cap (67mm)
• Sigma LCR III Rear Lens Cap for Canon RF
• Lens Hood
• Carrying Pouch
• Limited 3-Year Warranty