# Canon RF 50mm F1.2 L USM vs Viltrox AF 27mm F1.2 Pro: specs and price compared

A sourced, side-by-side comparison of the Canon RF 50mm F1.2 L USM (Canon) and Viltrox AF 27mm F1.2 Pro (Viltrox) among camera lenses. Viltrox AF 27mm F1.2 Pro is the cheaper of the two at $578.

## Side by side

| Spec | Canon RF 50mm F1.2 L USM | Viltrox AF 27mm F1.2 Pro |
| --- | --- | --- |
| US price | $2599 | $578 |
| Brand | Canon | Viltrox |
| Focal length (mm) | 50 | 27 |
| Max aperture f | 1.2 | 1.2 |
| Lens mount | Canon RF | Fujifilm X |
| Format coverage | full-frame | APS-C |
| Optical stabilization | No | — |
| Min focus distance (m) | 0.4 | 0.28 |
| Max magnification | 0.19 | 0.15 |
| Filter thread (mm) | 77 | 67 |
| Aperture blades | 10 | 11 |
| Weather sealed | Yes | Yes |
| Weight grams | 950 | 560 |

## Key differences

- Focal length (mm): Canon RF 50mm F1.2 L USM 50 vs Viltrox AF 27mm F1.2 Pro 27
- Lens mount: Canon RF 50mm F1.2 L USM Canon RF vs Viltrox AF 27mm F1.2 Pro Fujifilm X
- Format coverage: Canon RF 50mm F1.2 L USM full-frame vs Viltrox AF 27mm F1.2 Pro APS-C
- Min focus distance (m): Canon RF 50mm F1.2 L USM 0.4 vs Viltrox AF 27mm F1.2 Pro 0.28
- Max magnification: Canon RF 50mm F1.2 L USM 0.19 vs Viltrox AF 27mm F1.2 Pro 0.15
- Filter thread (mm): Canon RF 50mm F1.2 L USM 77 vs Viltrox AF 27mm F1.2 Pro 67
- Aperture blades: Canon RF 50mm F1.2 L USM 10 vs Viltrox AF 27mm F1.2 Pro 11
- Weight grams: Canon RF 50mm F1.2 L USM 950 vs Viltrox AF 27mm F1.2 Pro 560

## 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)
- Viltrox AF 27mm F1.2 Pro: https://viltrox.com/products/viltrox-af-27mm-f-1-2-pro-xf-mount (viltrox.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/camera-lenses/canon-rf-50mm-f1-2-l-usm-vs-viltrox-af-27mm-f1-2-pro/
Cite: Per The Front Desk Review, Canon RF 50mm F1.2 L USM ($2599) vs Viltrox AF 27mm F1.2 Pro ($578) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/camera-lenses/canon-rf-50mm-f1-2-l-usm-vs-viltrox-af-27mm-f1-2-pro/
License: CC BY 4.0.