Sigma has officially unveiled the 15mm F1.4 DC Contemporary, a bright wide‑angle prime designed for APS‑C mirrorless cameras. Announced on February 24, 2026, the lens offers creators a compact, fast option for landscapes, environmental portraits, and low‑light shooting. Positioned as a modern successor to the aging 16mm F1.4 DC DN, it arrives for Canon RF‑S, Fujifilm X, and Sony E‑mount systems at a competitive $579.
Compact wide‑angle design with fast F1.4 aperture
The 15mm F1.4 delivers a 22.5mm equivalent focal length (24mm on Canon RF‑S) with a constant F1.4 aperture, enabling strong subject separation and reliable low‑light performance in a notably compact body. Its 13‑element, 11‑group optical design incorporates one FLD element, three SLD elements, and three aspherical lenses to minimize aberrations and distortion. A 9‑blade rounded diaphragm contributes to smooth bokeh—unusual for such a wide‑angle prime—while reduced focus breathing makes it suitable for video work.
Autofocus, handling, and build quality
Autofocus is driven by a stepping motor, providing quiet, responsive performance with full eye‑detection compatibility on supported bodies. The lens uses a 58mm filter thread, smaller than the 67mm thread on the 16mm predecessor, improving portability. A customizable aperture ring (or control ring on Canon RF) adds flexibility for both stills and video workflows.
There is no optical stabilization, relying instead on in‑body stabilization where available. The dust‑ and splash‑resistant construction, combined with a front fluorine coating, ensures durability in outdoor environments.
Market positioning and early impressions
Sigma’s timing aligns with renewed interest in APS‑C systems, particularly as Canon expands RF‑S and Fujifilm continues refining its hybrid‑focused X‑mount lineup. Early impressions highlight the lens’s significant weight reduction—roughly 50% lighter than the 16mm F1.4—and its video‑friendly design. While the fast F1.4 aperture may require ND filters in bright conditions, the lens’s price and feature set position it as a strong value option among fast APS‑C primes.
Key Specifications
| Feature | Details |
|---|---|
| Lens Mount | Canon RF‑S, Fujifilm X, Sony E‑mount |
| Format | APS‑C |
| Focal Length | 15mm (22.5mm equivalent, 24mm on Canon RF‑S) |
| Maximum Aperture | F1.4 |
| Minimum Aperture | F16 |
| Optical Construction | 13 elements in 11 groups (1 FLD, 3 SLD, 3 aspherical) |
| Aperture Blades | 9 rounded |
| Minimum Focus Distance | 0.18m |
| Maximum Magnification | 0.13Ă— |
| Filter Thread | 58mm |
| Autofocus Type | Stepping motor |
| Dimensions | ~64.8mm length (mount‑dependent) |
| Weight | ~220g (mount‑dependent) |
| Weather Sealing | Dust and splash‑resistant |
The Sigma 15mm F1.4 DC Contemporary retails for $579 and begins shipping on March 12, 2026 through Sigma and authorized retailers worldwide.