Sigma 12mm F1.4 DC Contemporary (Canon RF) vs Sigma 15mm F1.4 DC Contemporary (Canon RF)
The bottom line
These cover different focal lengths — the Sigma 12mm F1.4 DC Contemporary (Canon RF) is 12mm, the Sigma 15mm F1.4 DC Contemporary (Canon RF) is 15mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 12mm F1.4 DC Contemporary (Canon RF) for wide-angle, the Sigma 15mm F1.4 DC Contemporary (Canon RF) for wide-angle.
Choose the Sigma 15mm F1.4 DC Contemporary (Canon RF) if…
- ✓You like close-focus work — 0.15x magnification vs 0.1x.
Where they differ
- ›Focal range: Sigma 12mm F1.4 DC Contemporary (Canon RF) is 12mm, Sigma 15mm F1.4 DC Contemporary (Canon RF) is 15mm — different framing and reach.
Frequently asked
Is the Sigma 12mm F1.4 DC Contemporary (Canon RF) or the Sigma 15mm F1.4 DC Contemporary (Canon RF) better?
These cover different focal lengths — the Sigma 12mm F1.4 DC Contemporary (Canon RF) is 12mm, the Sigma 15mm F1.4 DC Contemporary (Canon RF) is 15mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 12mm F1.4 DC Contemporary (Canon RF) for wide-angle, the Sigma 15mm F1.4 DC Contemporary (Canon RF) for wide-angle.
Who should choose the Sigma 15mm F1.4 DC Contemporary (Canon RF)?
Choose the Sigma 15mm F1.4 DC Contemporary (Canon RF) if you like close-focus work — 0.15x magnification vs 0.1x.
What is the main difference between the Sigma 12mm F1.4 DC Contemporary (Canon RF) and the Sigma 15mm F1.4 DC Contemporary (Canon RF)?
Focal range: Sigma 12mm F1.4 DC Contemporary (Canon RF) is 12mm, Sigma 15mm F1.4 DC Contemporary (Canon RF) is 15mm — different framing and reach.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 12mm | 15mm |
| Lens Type | Prime | Prime |
| Optical Elements | 14 | 13 |
| Optical Groups | 12 | 11 |
| Aperture & Iris | ||
| Maximum Aperture | f/1.4 | f/1.4 |
| Minimum Aperture | f/16 | f/16 |
| Aperture Blades | 9 | 9 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | APS-C | APS-C |
| Lens Mount | Canon RF | Canon RF |
| Angle of View | 99.6° | 82.9° |
| 35mm Equivalent | 19-19mm | 24-24mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | HLA | HLA |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 17 cm | 18 cm |
| Max Magnification | 0.1x | 0.15x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | Yes | Yes |
| Declickable Aperture | Yes | Yes |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $629 | $579 |
| Filter Size | 62mm | 58mm |
| Diameter | 68mm | 64mm |
| Length | 69mm | 65mm |
| Weight | 225g (7.9 oz) | 220g (7.8 oz) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | No | No |
