Camera Lenses

Sigma 17-40mm f/1.8 DC Art Canon RF

Redefining Creative Possibilities for APS-C Mirrorless Cameras

Experience a new level of creative freedom with the Sigma 17-40mm F1.8 DC DN | Art—a revolutionary zoom lens that delivers prime-like image quality across the entire zoom range.

Sigma 17-40mm F1.8 DC DN | Art Lens

Redefining Creative Possibilities for APS-C Mirrorless Cameras

Experience a new level of creative freedom with the Sigma 17-40mm F1.8 DC DN | Art—a revolutionary zoom lens that delivers prime-like image quality across the entire zoom range.

Sigma 17-40mm F1.8 DC DN | Art Lens

Redefining Creative Possibilities for APS-C Mirrorless Cameras

Experience a new level of creative freedom with the Sigma 17-40mm F1.8 DC DN | Art—a revolutionary zoom lens that delivers prime-like image quality across the entire zoom range.

KEY SPECIFICATIONS 

• Lens construction: 14 elements in 12 groups (2 SLD, 3 aspherical elements)
• Angle of View: 99.6°
• Number of Diaphragm Blades: 9 (Rounded Diaphragm)
• Minimum Aperture: F16
• Minimum Focusing Distance: 17.2cm / 6.8in.
• Maximum Magnification Ratio: 1:8.4
• Filter Size: φ62mm
• Maximum Diameter x Length: φ68.0mm x 69.4mm / φ2.7in. x 2.7in.
• Weight: 225g / 7.9oz.

LIST OF FEATURES
● Stepping motor
● Water- and oil-repellent coating
● Aperture ring1
● Dust- and splash-resistant structure
● Mount Conversion Service available
● Every single lens undergoes Sigma’s proprietary MTF measuring system

LIST OF FEATURES
● Stepping motor
● Water- and oil-repellent coating
● Aperture ring1
● Dust- and splash-resistant structure
● Mount Conversion Service available
● Every single lens undergoes Sigma’s proprietary MTF measuring system

Key Features

- Designed for Full-Frame cameras, with an f/3.5–6.3 variable aperture

- Versatile wide-to-telephoto zoom in a compact, lightweight build

- Fast, precise autofocus powered by Sigma’s HLA motor

- 13-blade rounded diaphragm for smooth, natural bokeh

- Integrated zoom lock and focus mode switches for control and convenience

- Close focusing capability from 9.9" to 25.6" across the zoom range

- Front element coated to repel water and oil for easier cleaning

- Dust- and splash-resistant body for reliable performance outdoors

Key Features

- Designed for Full-Frame cameras, with an f/3.5–6.3 variable aperture

- Versatile wide-to-telephoto zoom in a compact, lightweight build

- Fast, precise autofocus powered by Sigma’s HLA motor

- 13-blade rounded diaphragm for smooth, natural bokeh

- Integrated zoom lock and focus mode switches for control and convenience

- Close focusing capability from 9.9" to 25.6" across the zoom range

- Front element coated to repel water and oil for easier cleaning

- Dust- and splash-resistant body for reliable performance outdoors

Key Features

- Full-frame wide-angle prime with a bright f/1.2–f/16 aperture

- Exceptional low-light performance and striking background blur

- Fast, precise autofocus powered by HLA high-speed motor

- Smooth, natural bokeh from an 11-blade rounded diaphragm

- Easy-to-use aperture ring and focus mode switch for creative control

- Optical design includes 4 aspherical and 1 SLD element for sharp, distortion-free images

- Close focusing capability down to 11.1" for versatile compositions

- Front element features a water- and oil-repellent coating for durability

- Weather-sealed construction protects against dust and splashes

Key Features

- Full-frame wide-angle prime with a bright f/1.2–f/16 aperture

- Exceptional low-light performance and striking background blur

- Fast, precise autofocus powered by HLA high-speed motor

- Smooth, natural bokeh from an 11-blade rounded diaphragm

- Easy-to-use aperture ring and focus mode switch for creative control

- Optical design includes 4 aspherical and 1 SLD element for sharp, distortion-free images

- Close focusing capability down to 11.1" for versatile compositions

- Front element features a water- and oil-repellent coating for durability

- Weather-sealed construction protects against dust and splashes