Canon
Canon RF 50mm F1.2 L USM
$2599
Best Camera Lenses · head-to-head
Canon RF 50mm F1.2 L USM vs Viltrox AF 27mm F1.2 Pro
A sourced, side-by-side comparison. Viltrox AF 27mm F1.2 Pro is cheaper at $578. Every spec and price links to its source.
Viltrox
Viltrox AF 27mm F1.2 Pro
$578Cheaper
Which is better: the Canon RF 50mm F1.2 L USM or Viltrox AF 27mm F1.2 Pro?
On the specs we track, they're closely matched. The Viltrox AF 27mm F1.2 Pro is the cheaper at $578.
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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 |  Viltrox AF 27mm F1.2 Pro |
|---|---|---|
| US price | $2599 | $578 |
| Brand | Canon | Viltrox |
| Released | — | — |
| 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 |
Sources — Canon RF 50mm F1.2 L USM: usa.canon.com (verified 2026-07-11). Viltrox AF 27mm F1.2 Pro: viltrox.com (verified 2026-07-11).
What's the difference between the Canon RF 50mm F1.2 L USM and Viltrox AF 27mm F1.2 Pro?
Where the two actually differ on the specs we track (8 of 11). Matching specs are omitted.
- 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