Camera Lenses

Full-Frame | f/4 to f/22

Compact Ultra-Wide Angle Prime

Fast Internal Focus System

I Series Lens

All-Metal Lens Barrel

Dust & Splash-Resistant Design

Knurled Focus and Aperture Rings

Rounded 7-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

Full-Frame | f/4.5 to f/32

Wide-Angle, Macro Prime

Auto-Aperture Feature

Manual Focus Design

0.5x Magnification

110.5° Angle of View

10-Point Sunstar Effect

Front Filter Thread: 62mm

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.

• The world’s lightest¹ full-frame F4 wide-angle power-zoom lens
• Outstanding resolution in an ultralight compact G Lens (353 g / 12.5 oz)
• Power zoom using 4 XD Linear Motors for responsive operation and control
• Reduced focus breathing/shift for refined movie imagery
• Fast, precise, quiet AF and tracking by 2 XD Linear Motors for movies and stills
• Naturally rendered bokeh and excellent close-up performance (min focus 9.5”)
• Consistent balance for easy handling with internal focus and zoom structures
• Focus, zoom and aperture rings with lock and click on/off functions
• Constant or variable zoom speed from lens or compatible cameras/remotes
• Dust and moisture resistant² design and front fluorine coating for reliability