Camera Lenses

- Exceptional sharpness at all distances

- Optical design ensures minimal aberrations

- Hyper Sonic Motor (HSM) for high-speed AF

- Focus limiter switch

- Aperture ring with de-click & lock switches

- Customizable AFL button

- Dust and splash-resistant structure

- Water- and oil-repellent coating

- Designed to minimize flare and ghosting

- Compatible with TC-1411 (1.4x) and TC-2011 (2.0x) Teleconverters (L-Mount only)

- Compatible with Lens Aberration Correction

E-Mount Lens/Full Frame Format

Aperture Range: f/1.4 to f/16

Two SLD Elements

Three Aspherical Elements

Super Multilayer Coating

Stepping AF Motor, MFL Switch

Rounded 11-Blade Diaphragm

82mm Front Filter Thread

Rear Filter Holder

Durable Brass Bayonet Mount

Full-Frame | f/2.8 to f/22

Compact Mid-Telephoto Prime

Fast Internal Focus System

I Series Lens

All-Metal Lens Barrel

Dust & Splash-Resistant Design

Knurled Focus and Aperture Rings

Rounded 9-Blade Diaphragm

Full-Frame | f/2 to f/22

Short Portrait-Length Prime

Fast Internal Focus System

I Series Lens

All-Metal Lens Barrel

Dust & Splash-Resistant Design

Knurled Focus and Aperture Rings

Rounded 9-Blade Diaphragm

Full-Frame | f/2 to f/22

Sharp, Compact Prime

Fast Internal Focus System

I Series Lens

All-Metal Lens Barrel

Dust & Splash-Resistant Design

Knurled Focus and Aperture Rings

Rounded 9-Blade Diaphragm

Full-Frame | f/2 to f/22

Compact, Fast Wide-Angle Prime

Fast Internal Focus System

I Series Lens

All-Metal Lens Barrel

Dust & Splash-Resistant Design

Knurled Focus and Aperture Rings

Rounded 9-Blade Diaphragm

E-Mount Lens/Full-Frame Format

Aperture Range: f/1.4 to f/16

Two FLD Elements and One SLD Element

Four Aspherical Elements

Super Multilayer Coating

STM Autofocus Motor

Rounded 11-Blade Diaphragm

Brass Bayonet Mount

72mm Front Filter Threads

Rear Filter Holder

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.

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