Lenses & Optics

This is the world's first zoom lens with a constant F1.8 aperture for full-frame mirrorless camera systems.

Designed for APS-C-format Sony E-mount mirrorless cameras, the Sigma 23mm f/1.4 DC DN Contemporary lens delivers a natural and versatile 35mm-equivalent field of view—ideal for street, documentary, environmental portraits, and general everyday shooting. This compact wide-angle prime combines excellent optical performance with a bright f/1.4 aperture, making it a powerful creative tool for both stills and video.

Engineered for exceptional optical performance and fast autofocus, the Sigma 50mm f/1.4 DG DN Art Lens is designed for Leica L-mount mirrorless cameras.

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/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

Crafted with an all-metal barrel, the Sigma 90mm F2.8 DG DN | Contemporary embodies the I series philosophy—combining precision engineering, timeless aesthetics, and a tactile shooting experience.

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.