# Canon RF 50mm F1.2 L USM vs Sigma 50mm F1.4 DG DN Art: specs and price compared

A sourced, side-by-side comparison of the Canon RF 50mm F1.2 L USM (Canon) and Sigma 50mm F1.4 DG DN Art (Sigma) among camera lenses. Sigma 50mm F1.4 DG DN Art is the cheaper of the two at $849.

## Side by side

| 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 |

## Key differences

- 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

## Sources

- Canon RF 50mm F1.2 L USM: https://www.usa.canon.com/shop/p/rf50mm-f1-2-l-usm (usa.canon.com, verified 2026-07-11)
- Sigma 50mm F1.4 DG DN Art: https://www.sigmaphoto.com/50mm-f1-4-dg-dn-a (sigmaphoto.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/camera-lenses/canon-rf-50mm-f1-2-l-usm-vs-sigma-50mm-f1-4-dg-dn-art/
Cite: Per The Front Desk Review, Canon RF 50mm F1.2 L USM ($2599) vs Sigma 50mm F1.4 DG DN Art ($849) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/camera-lenses/canon-rf-50mm-f1-2-l-usm-vs-sigma-50mm-f1-4-dg-dn-art/
License: CC BY 4.0.