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

Bright, Versatile Zoom for APS-C Sony Mirrorless Cameras

The Sigma AF 17-40mm F1.8 DC Art is a premium wide-to-standard zoom lens designed for Sony E-mount APS-C mirrorless cameras. Part of Sigma’s acclaimed Art series, this lens combines a large constant f/1.8 aperture with a flexible zoom range, delivering exceptional image quality, outstanding low-light performance, and creative control typically associated with prime lenses.

Ideal for photographers and hybrid creators, this lens excels in landscapes, travel, street photography, portraits, events, and video production.

Key Features

Fast Constant f/1.8 Aperture

• Bright f/1.8 maximum aperture throughout the entire zoom range

• Excellent low-light capability and beautiful background separation

• Ideal for indoor shooting, night scenes, and cinematic visuals

Versatile 17–40mm Zoom Range

• Covers wide-angle to standard perspectives

• Approx. 25.5–60mm full-frame equivalent on APS-C

• Perfect for everyday shooting, travel, landscapes, and vlogging

Advanced Optical Performance

• Complex optical design with aspherical and low-dispersion elements

• Delivers sharp resolution, high contrast, and minimal distortion

• Suppresses chromatic aberration and maintains edge-to-edge clarity

Fast, Quiet Autofocus

• High-response linear motor ensures quick, accurate focusing

• Smooth and near-silent operation for video recording

• Minimal focus breathing for professional-looking footage

Professional Handling & Build

• Aperture ring with click switch and lock for tactile control

• Durable, premium construction consistent with Sigma Art standards

• Compact and well-balanced for handheld shooting and gimbal use

Specifications

• Mount: Sony E-mount (APS-C)

• Focal Length: 17–40mm

• Maximum Aperture: f/1.8

• Minimum Aperture: f/16

• Lens Construction: 17 elements in 11 groups

• Diaphragm Blades: 11 (rounded)

• Minimum Focus Distance: 28cm

• Maximum Magnification: 1:4.8 (at 40mm)

• Filter Size: 67mm

• Weight: Approx. 525–535g