Canon
Canon RF 50mm F1.2 L USM
$2599
Best Camera Lenses · head-to-head
Canon RF 50mm F1.2 L USM vs Sigma 50mm F1.4 DG DN Art
A sourced, side-by-side comparison. Sigma 50mm F1.4 DG DN Art is cheaper at $849. Every spec and price links to its source.
Sigma
Sigma 50mm F1.4 DG DN Art
$849Cheaper
Released 2023
Which is better: the Canon RF 50mm F1.2 L USM or Sigma 50mm F1.4 DG DN Art?
On the specs we track, they're closely matched. The Sigma 50mm F1.4 DG DN Art is the cheaper at $849.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec |  Canon RF 50mm F1.2 L USM |  Sigma 50mm F1.4 DG DN Art |
|---|---|---|
| US price | $2599 | $849 |
| Brand | Canon | Sigma |
| Released | — | 2023 |
| Focal length (mm) | 50 | 50 |
| Max aperture f | 1.2 | 1.4 |
| Lens mount | Canon RF | Sony E |
| Format coverage | full-frame | full-frame |
| Optical stabilization | No | No |
| Min focus distance (m) | 0.4 | — |
| Max magnification | 0.19 | — |
| Filter thread (mm) | 77 | 72 |
| Aperture blades | 10 | 11 |
| Weather sealed | Yes | Yes |
| Weight grams | 950 | 660 |
Sources — Canon RF 50mm F1.2 L USM: usa.canon.com (verified 2026-07-11). Sigma 50mm F1.4 DG DN Art: sigmaphoto.com (verified 2026-07-11).
What's the difference between the Canon RF 50mm F1.2 L USM and Sigma 50mm F1.4 DG DN Art?
Where the two actually differ on the specs we track (5 of 11). Matching specs are omitted.
- Max aperture f: Canon RF 50mm F1.2 L USM 1.2 vs Sigma 50mm F1.4 DG DN Art 1.4
- Lens mount: Canon RF 50mm F1.2 L USM Canon RF vs Sigma 50mm F1.4 DG DN Art Sony E
- Filter thread (mm): Canon RF 50mm F1.2 L USM 77 vs Sigma 50mm F1.4 DG DN Art 72
- Aperture blades: Canon RF 50mm F1.2 L USM 10 vs Sigma 50mm F1.4 DG DN Art 11
- Weight grams: Canon RF 50mm F1.2 L USM 950 vs Sigma 50mm F1.4 DG DN Art 660