Sigma AF 12mm F1.4 DC Contemporary Lens – Canon RF Mount

Ultra-Wide, Fast Prime for APS-C Canon RF-Mount Cameras

The Sigma AF 12mm F1.4 DC Contemporary is an ultra-wide-angle prime lens designed for APS-C Canon RF-mount mirrorless cameras. Featuring a bright f/1.4 aperture and compact design, this lens delivers outstanding performance for astrophotography, landscapes, architecture, interiors, vlogging, and creative wide-angle shooting.

As part of Sigma’s Contemporary series, it offers a perfect combination of high optical quality, portability, and affordability, making it ideal for photographers and content creators who need speed, sharpness, and expansive field of view in a lightweight package.

Key Features

Ultra-Wide 12mm Prime

• Extremely wide 12mm focal length

• Approx. 19mm full-frame equivalent on Canon APS-C

• Ideal for landscapes, architectural photography, interiors, and immersive video

Bright f/1.4 Aperture

• Excellent low-light performance for nightscapes and astrophotography

• Enables shallow depth-of-field effects even at ultra-wide angles

• Allows faster shutter speeds in challenging lighting conditions

Advanced Optical Design

• Precision optical construction with aspherical and low-dispersion elements

• Delivers sharp, edge-to-edge clarity, high contrast, and minimal distortion

• Controls chromatic aberration for vibrant, accurate images

Fast & Quiet Autofocus

• Smooth and responsive autofocus for stills and video

• Near-silent operation suitable for vlogging or cinematic recording

• Reliable focus even in low-light conditions

Compact & Durable Build

• Lightweight and travel-friendly design

• Robust construction for everyday or outdoor use

• Well-balanced on small APS-C mirrorless bodies and gimbals

Specifications

• Mount: Canon RF (APS-C)

• Focal Length: 12mm

• Maximum Aperture: f/1.4

• Minimum Aperture: f/16

• Lens Construction: 16 elements in 12 groups

• Diaphragm Blades: 9 (rounded)

• Minimum Focus Distance: 18cm

• Maximum Magnification: 1:9.9

• Filter Size: 62mm

• Weight: Approx. 225–230g