Sigma 17-40mm F1.8 DC | Art Lens – Sony E Mount

A New Standard in APS-C Zoom Lenses

The Sigma 17-40mm F1.8 DC | Art is a groundbreaking large-aperture standard zoom designed exclusively for APS-C mirrorless cameras. Offering image quality comparable to a prime lens across the entire zoom range, this lens combines high resolution with creative flexibility – ideal for both still photography and professional video production.

Built upon the legacy of the legendary 18-35mm F1.8, this next-generation model expands the zoom range, reduces weight by over 30%, and introduces cutting-edge features to meet the demands of modern hybrid creators.

Key Features at a Glance

• APS-C Standard Zoom with Constant F1.8 Aperture

• Prime-Like Sharpness Throughout the Zoom Range

• New 17–40mm Range (Approx. 25.5–60mm in 35mm Format)

• High-Speed, Silent HLA Autofocus Motor

• Inner Zoom Mechanism for Stability

• Minimal Focus Breathing for Video

• Dust- and Splash-Resistant Structure

• Dual AFL Buttons + Aperture Ring with Click/Lock Switches

• Lightweight Build – Just 535g

• Available for Sony E, L-Mount, FUJIFILM X, Canon RF

Exceptional Optical Performance

With 17 elements in 11 groups (including 4 SLD and 4 aspherical elements), this lens delivers excellent correction of axial chromatic aberration and sagittal coma flare. Expect edge-to-edge sharpness, vibrant colour reproduction, and stunning clarity – even wide open at F1.8.

Whether shooting portraits, landscapes, or interiors, the Sigma 17-40mm F1.8 ensures premium results in all conditions.

Constant F1.8 for Creative Control

A constant maximum aperture of F1.8 across the entire zoom range gives you superb low-light performance and shallow depth of field. Capture indoor scenes, twilight moments, or expressive bokeh-rich images without compromise.

Wider, Lighter, and Smarter Than Ever

• Expanded focal range: Covers more creative ground than its predecessor (17–40mm vs 18–35mm).

• More portable: Over 30% lighter with a smaller 67mm filter thread.

• Stable inner zoom: Length remains constant while zooming or focusing – perfect for gimbals and video rigs.

Built for Video Production

From single-operator setups to professional video workflows, this lens offers features that support smooth, cinematic production:

• High-response Linear Actuator (HLA) delivers fast, silent autofocus.

• Minimal focus breathing maintains consistent framing during focus pulls.

• Aperture ring with clickless operation and lock switch (Sony E, L, and X Mount).

• Dual AFL buttons for intuitive control in both horizontal and vertical orientation.

Designed for Real-World Shooting

• Dust- and splash-resistant construction for reliability in tough environments.

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

• Compact form factor makes it ideal for handheld and travel use.

Technical Specifications (Sony E Mount)

• Focal Length: 17–40mm (25.5–60mm equivalent)

• Maximum Aperture: F1.8 | Minimum Aperture: F16

• Lens Construction: 17 elements in 11 groups

• Angle of View: 79.7°–39.1°

• Diaphragm Blades: 11 (Rounded)

• Minimum Focus Distance: 28cm

• Maximum Magnification: 1:4.8 at 40mm

• Filter Thread: 67mm

• Dimensions: 72.9mm x 115.9mm

• Weight: 535g

What’s in the Box

• Lens Hood (LH728-02)

• Front Cap (LCF-67 IV)

• Rear Cap (LCR III – Sony E Mount)

• Pouch

Mount Compatibility & Availability

• Available for: Sony E Mount, L-Mount, FUJIFILM X Mount (July 10, 2025)

• Canon RF Mount available August 2025

Ideal For

• Photographers seeking a fast, sharp, and versatile zoom

• Hybrid creators working in both photo and video

• APS-C shooters who want a compact, high-performance setup

• Professionals looking for a lightweight F1.8 lens for everyday use

Note: Lens appearance and specifications subject to change. Sony E-mount development licensed from Sony Corporation.