Sigma 12mm F1.4 DC | Contemporary - Canon RF Mount Lens

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

World’s First 12mm F1.4 AF Lens for APS-C Mirrorless

The Sigma 12mm F1.4 DC | Contemporary for Canon RF Mount is a groundbreaking ultra-wide prime lens designed exclusively for APS-C Canon EOS R cameras. As the world’s first 12mm F1.4 autofocus lens for APS-C mirrorless, it achieves the widest angle of view available in an F1.4 lens – making it an essential choice for landscape photographers, astrophotographers, vloggers, and travel creators who demand superior image quality in a portable package.

With its 12mm focal length (equivalent to 19mm in full-frame terms), ultra-bright F1.4 aperture, and state-of-the-art optics, this lens captures expansive skies, dramatic perspectives, and vivid details – whether day or night.

Key Features

• Ultra-Wide 12mm F1.4 Prime – World’s first AF-compatible 12mm F1.4 for APS-C mirrorless.

• Designed for Canon RF APS-C Cameras – Equivalent to 19mm in full-frame terms.

• Exceptional Low-Light Performance – Bright F1.4 aperture ideal for astrophotography, nightscapes, and creative handheld shooting.

• Advanced Optical Construction – 14 elements in 12 groups, including 3 aspherical and 2 SLD glass elements, for edge-to-edge sharpness.

• Video-Optimised – Smooth stepping-motor AF, minimal focus breathing, and a control ring for intuitive operation.

• Portable & Lightweight – Just 225g with a length of 69.4mm, perfect for travel, vlogging, and gimbal setups.

• Dust & Splash-Resistant Build – Front element also coated with water- and oil-repellent protection.

• Part of Sigma’s APS-C F1.4 Prime Lineup – Complements 16mm, 23mm, 30mm, and 56mm F1.4 Contemporary lenses.

Ultra-Wide Creativity in a Compact Prime

At 12mm (19mm equivalent full-frame), this lens offers a dynamic field of view that expands creative possibilities. From vast landscapes and sweeping cityscapes to astro photography under the stars, it delivers superb clarity and depth. The fast F1.4 aperture ensures excellent performance in low light, while also enabling strong subject isolation with smooth, cinematic background blur.

Optical Precision for Stills and Video

The advanced design incorporates three double-sided aspherical elements and two SLD elements, correcting chromatic aberrations and ensuring crisp results across the entire frame. Sagittal coma flare, a challenge for star photography, is carefully minimised, producing clean, accurate points of light in night sky imagery.

Whether you’re shooting stills or 4K/6K video, the Sigma 12mm F1.4 maintains high resolution, contrast, and colour accuracy – even at maximum aperture.

Compact, Lightweight & Travel-Ready

Weighing only 225g and measuring 69.4mm in length, this lens is designed to pair perfectly with Canon’s APS-C RF cameras. Its compact profile makes it easy to carry while travelling, exploring, or vlogging – while also balancing smoothly on gimbals and handheld stabilisers.

Video-Centric Features

The Sigma 12mm F1.4 DC | Contemporary (Canon RF) has been carefully designed to meet the needs of modern hybrid creators:

• Stepping Motor Autofocus – Fast, quiet, and accurate AF for smooth subject tracking.

• Minimal Focus Breathing – Maintains consistent framing during focus pulls, ensuring cinematic results.

• Control Ring – Instead of an aperture ring, the Canon RF version includes a customisable control ring, allowing users to assign exposure or camera settings for intuitive video operation.

Durable Design for Outdoor Use

This lens is built for real-world shooting conditions:

• Dust & Splash-Resistant Construction – Confidence when shooting outdoors.

• Water- & Oil-Repellent Front Coating – Simplifies maintenance and keeps the front element clear.

Technical Specifications – Canon RF Mount

• Lens Construction: 14 elements in 12 groups (2 SLD, 3 aspherical)

• Angle of View: 99.6°

• Aperture Range: F1.4 – F16

• Diaphragm Blades: 9 (rounded)

• Minimum Focusing Distance: 17.2cm (6.8 in.)

• Maximum Magnification Ratio: 1:8.4

• Filter Size: 62mm

• Dimensions (Ø x Length): 68.0mm x 69.4mm (2.7 x 2.7 in.)

• Weight: 225g (7.9 oz)

• Mount: Canon RF (APS-C only)

Supplied Accessories

• Lens Hood LH652-01

• Front Lens Cap LCF-62 IV

• Rear Lens Cap LCR III (Canon RF Mount)

• Pouch

A Full Lineup of APS-C F1.4 Primes

The Sigma Contemporary F1.4 DC series now covers all the key APS-C focal lengths – 12mm, 16mm, 23mm, 30mm, and 56mm. Together, they offer a compact, high-performance system for photographers and filmmakers who want the expressive power of fast primes without sacrificing portability.

A New Perspective for Canon APS-C RF Creators

The Sigma 12mm F1.4 DC | Contemporary – Canon RF Mount redefines what’s possible with APS-C lenses. Compact yet powerful, it combines an ultra-wide field of view, bright F1.4 aperture, and exceptional optical quality into a lens that inspires creativity in both stills and video.

Perfect for astro shooters, landscape explorers, vloggers, and hybrid content creators, this lens is the ultimate ultra-wide prime for Canon APS-C EOS R users.