Sigma 17-40mm f/1.8 DC Art Lens (FUJIFILM X)

APS-C | f/1.8 to f/16
25.5 to 60mm (Full-Frame Equivalent)
Superfast Wide-to-Normal Zoom
HLA Autofocus
11″ Minimum Focus Distance
Aperture Ring with Click & Lock Switches
SLD and Aspherical Elements
Water- and Oil-Repellent Coating
Dust & Splash Resistant Construction

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Description

The Sigma 17-40mm f/1.8 DC DN Art for Fujifilm X-mount redefines zoom lens performance with its unprecedented constant f/1.8 aperture (25.5-60mm equivalent). Combining prime-like speed with zoom versatility, this revolutionary lens excels in low-light photography, cinematic video, and creative portraiture.

Key Features

1. Optical Breakthrough

Industry-First f/1.8 Zoom – Maintains fast aperture throughout 17-40mm range
Advanced Optical Design:
- 4 Aspherical Elements
- 4 SLD (Special Low Dispersion) Elements
11-Blade Rounded Diaphragm – Professional bokeh quality

2. Hybrid Creator Features

Internal Zoom Mechanism – Perfect for gimbal balance
Focus Breathing Control – Smooth focus transitions
Linear Stepping Motor – Silent, precise AF for video
11″ Minimum Focus (0.28m) – 1:4.8 magnification at 40mm

3. Professional Build Quality

Dust/Splash-Resistant – Weather-sealed construction
Brass Bayonet Mount – Enhanced durability
Fluorine Coating – Water/oil-repellent front element

Specifications

Mount: Fujifilm X (APS-C)
Focal Length: 17-40mm (25.5-60mm equivalent)
Aperture: f/1.8-f/16
Elements/Groups: 17/11
Minimum Focus: 0.28m (11″)
Filter Size: 67mm
Weight: 475g (1.05 lb)
Special Features:
- Dual AFL buttons
- Focus mode switch
- Click-stop MF mechanism