Sigma 17-40mm F1.8 DC | Art Lens FUJIFILM X Mount

Large Aperture. X Mount Ready. Game On.

The Sigma 17-40mm F1.8 DC | Art for FUJIFILM X Mount brings groundbreaking optical performance and fast F1.8 aperture to X Series APS-C mirrorless cameras. Compact, sharp, and video-ready, this next-gen standard zoom delivers prime-like quality across a wide and versatile zoom range perfect for hybrid creators, street shooters, and filmmakers.

Building on the legendary reputation of the Sigma 18-35mm F1.8, this all-new lens expands focal coverage, reduces weight by more than 30%, and adds modern features tailored to stills and video production on Fujifilm bodies.

Key Features at a Glance

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

• 1740mm Range (Approx. 25.560mm in 35mm Equivalent)

• Designed Specifically for FUJIFILM X Mount Mirrorless Cameras

• Outstanding Sharpness Comparable to Prime Lenses

• Fast, Silent Autofocus with High-response Linear Actuator (HLA)

• Inner Zoom Design for Better Stability

• Minimal Focus Breathing Perfect for Video

• AF Function Button & Focus Mode Switch

• Dust- and Splash-Resistant Build

• Compact Design Just 535g with 67mm Filter Thread

Constant F1.8 Built for Expression

With a constant F1.8 aperture throughout the zoom range, this lens allows for expressive shallow depth of field, exceptional low-light performance, and creative bokeh across all focal lengths. Capture bright, clean images in dim conditions without changing lenses.

X Mount Native, Built for Precision

Tailored for Fujifilm X Series cameras, the 17-40mm F1.8 feels perfectly balanced on bodies like the X-T5, X-S20, and X-H2. The lens supports AF function switching via a dedicated button, giving X users responsive and intuitive control. The built-in focus mode switch adds further ease of use for fast-paced shooting environments.

Video-First Design for Hybrid Shooters

This lens is built for serious video production:

• High-response Linear Actuator (HLA) provides accurate, silent AF for seamless subject tracking

• Minimal focus breathing keeps framing stable during focus pulls

• Clickless aperture control for smooth adjustments

• AF function button and focus switch make operation efficient in both handheld and rig setups

Perfect for solo shooters, content creators, or professional video applications on X-mount cinema-style bodies.

Wider Coverage, Smaller Footprint

Covering the equivalent of 25.560mm, this lens handles everything from wide-angle landscapes to mid-range portraits. Compared to the previous 18-35mm F1.8, the 17-40mm expands your framing options while cutting over 30% of the weight, improving portability and performance on the move.

Durable Design, Travel-Ready Build

Engineered for real-world use, the 17-40mm F1.8 DC | Art includes:

• Dust- and splash-resistant construction

• Water- and oil-repellent coating on the front element

• Inner zoom mechanism to keep the lens balanced on gimbals or rigs

• Compact body with a practical 67mm front filter thread

Technical Specifications (FUJIFILM X Mount)

• Focal Length: 1740mm (Approx. 25.560mm equivalent)

• Max. Aperture: F1.8 | Min. Aperture: F16

• Lens Construction: 17 elements in 11 groups

• Angle of View: 79.739.1

• Diaphragm Blades: 11 (Rounded)

• Minimum Focus Distance: 28cm

• Max. Magnification: 1:4.8 at 40mm

• Filter Size: 67mm

• Dimensions: 72.9 x 115.9mm

• Weight: 535g

Whats in the Box

• Lens Hood (LH728-02)

• Front Cap (LCF-67 IV)

• Rear Cap (LCR III FUJIFILM X Mount)

• Protective Pouch

Mount Compatibility & Launch Info

• Mount: FUJIFILM X

• Launch Date: July 10, 2025

• This version includes specific firmware and mechanical design to support Fujifilm camera features.

Ideal For

• Fujifilm X shooters looking for a professional zoom with a prime-like feel

• Hybrid creators producing both stills and cinematic video

• Travel, documentary, and event shooters who need lightweight performance

• Videographers requiring a fast, stable lens with minimal breathing

Sigma 17-40mm F1.8 DC | Art For the Creative Fujifilm Shooter

Whether youre composing stills, recording in 6K, or creating for social platforms, the Sigma 17-40mm F1.8 for X Mount delivers the power, precision, and portability you need without compromise.