Lenses & Optics

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.

• Sony E Lens/Full-Frame Format
• Super Multi-Layer Coating
• Aperture Range: F/1.4 to F/16
• Stepping Motor AF System
• Customizable AFL Button
• Physical Aperture Ring; De-Click Switch
• Rounded 11-Blade Diaphragm
• Weather-Sealed Design

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

The Art 24-70mm F2.8, evolved on all levels rendering performance, functionality, and portability.

This is the world's first zoom lens with a constant F1.8 aperture for full-frame mirrorless camera systems.

• Smaller, Lighter, & Sharper
• Fast f/1.4 Prime
• Sony FE

• Fast f/1.4 Prime
• Sony E (APS-C)
• 24mm Full-Frame Equivalent
• Stepping Motor Auto Focus