§ 03 Head to head
Sigma C 12 mm f/1.4 DC vs Viltrox AF 13 mm f/1.4 XF
Sigma 12mm f/1.4 has a wider field of view. Viltrox 13mm f/1.4 has a longer reach.
Both lenses are made for the Sony E mount: the Sigma C 12 mm f/1.4 DC is a 12mm f/1.4 prime, and the Viltrox AF 13 mm f/1.4 XF is a 13mm f/1.4 prime. On paper the Sigma C 12 mm f/1.4 DC comes out ahead, 5 advantages to 2, but which one suits you depends on what you shoot.
01
Key differences
Why is the Sigma C 12 mm f/1.4 DC better than the Viltrox AF 13 mm f/1.4 XF?
- Wider field of view (12mm vs 13mm)
- 195 g lighter (225 g vs 420 g)
- 6 mm shorter (68 mm vs 74 mm long)
- Focuses 5 cm closer (0.17 m vs 0.22 m)
- Smaller filter thread (62 mm vs 67 mm)
Why is the Viltrox AF 13 mm f/1.4 XF better than the Sigma C 12 mm f/1.4 DC?
- Longer reach (13mm vs 12mm)
- Has a physical aperture ring
02
Which should you buy?
- landscape For landscape photography, the Sigma C 12 mm f/1.4 DC has the edge: it goes wider, to 12mm against 13mm.
- architecture For architecture, the Sigma C 12 mm f/1.4 DC has the edge: it goes wider, to 12mm against 13mm.
- astrophotography For astrophotography, the Sigma C 12 mm f/1.4 DC has the edge: it goes wider, to 12mm against 13mm.
03
Specification
| Specification | Sigma C 12 mm f/1.4 DC | Viltrox AF 13 mm f/1.4 XF |
|---|---|---|
| Focal length | 12mm | 13mm |
| Maximum aperture | f/1.4 | f/1.4 |
| Minimum aperture | f/16 | f/16 |
| Lens type | Prime lens | Prime lens |
| Format | APS-C | APS-C |
| Weight | 225 g (7.94 oz) ◆ | 420 g |
| Dimensions | 69.4 x 68 mm | 90 x 74 mm |
| Minimum focusing distance | 0.172 m (6.77 inches) ◆ | 0.22 m |
| Image stabilization | No | No |
| Weather sealing | — | Yes |
| Aperture ring | No | Yes |
| Aperture blades | 9 | 9 |
| Optical construction | 14 elements / 12 groups | 14 elements / 11 groups |
| Filter size | 62 mm ◆ | 67 mm |
| Lens mount | Sony E, Canon RF, Fujifilm X, L-Mount | Sony E, Nikon Z, Fujifilm X |
| Released | 2025 | — |
| Price | $629 list price | — |
04
Size
- A · Sigma
- B · Viltrox
- 68 × 69.4 mm
- 74 × 90 mm
The Viltrox AF 13 mm f/1.4 XF is 6 mm longer and 195 g heavier than the Sigma C 12 mm f/1.4 DC.
05
Sample frames
Sigma C 12 mm f/1.4 DC
Viltrox AF 13 mm f/1.4 XF
06
Video reviews
07
Questions
- Which is lighter, the Sigma C 12 mm f/1.4 DC or the Viltrox AF 13 mm f/1.4 XF?
- The Sigma C 12 mm f/1.4 DC weighs 225 g, 195 g less than the Viltrox AF 13 mm f/1.4 XF (420 g).
- Which focuses closer, the Sigma C 12 mm f/1.4 DC or the Viltrox AF 13 mm f/1.4 XF?
- The Sigma C 12 mm f/1.4 DC focuses down to 0.17 m, against 0.22 m for the Viltrox AF 13 mm f/1.4 XF.
- Do the Sigma C 12 mm f/1.4 DC and the Viltrox AF 13 mm f/1.4 XF have image stabilization?
- No, neither lens has optical image stabilization; rely on in-body stabilization if your camera has it.
- Is the Sigma C 12 mm f/1.4 DC or the Viltrox AF 13 mm f/1.4 XF better for landscape photography?
- For landscape photography, the Sigma C 12 mm f/1.4 DC has the edge: it goes wider, to 12mm against 13mm.
- Is the Sigma C 12 mm f/1.4 DC or the Viltrox AF 13 mm f/1.4 XF better for architecture?
- For architecture, the Sigma C 12 mm f/1.4 DC has the edge: it goes wider, to 12mm against 13mm.
08



