Sigma 30mm f/1.4 DC DN Contemporary vs Viltrox AF 27mm f/1.2 Pro
Sigma 30mm f/1.4 DC DN Contemporary has more in its favour on paper. The AF 27mm f/1.2 Pro gathers more light for low light and background blur; the 30mm f/1.4 DC DN Contemporary is lighter and cheaper.
Choose the 30mm f/1.4 DC DN Contemporary for
- less weight (265g vs 520g)
- a lower price (about £210 vs £350)
- weather sealing
Choose the AF 27mm f/1.2 Pro for
- a brighter maximum aperture (f/1.2, about 0.4 stops more light)
| 30mm f/1.4 DC DN Contemporary | AF 27mm f/1.2 Pro | |
|---|---|---|
| Brand | Sigma | Viltrox |
| Focal length | 30mm | 27mm |
| Maximum aperture | f/1.4 | f/1.2 |
| Weight | 265 g | 520 g |
| Stabilisation | No | No |
| Weather sealing | Yes | No |
| Filter size | 52mm | 62mm |
| Made for | APSC | APSC |
| New price | £339 | £399 |
| Used at MPB (Sony E / FE) | £199–£214 | £324–£369 |
More lens comparisons
See all Sony E / FE cameras and lenses.
Frequently asked questions
Is the Sigma 30mm f/1.4 DC DN Contemporary better than the Viltrox AF 27mm f/1.2 Pro?
The 30mm f/1.4 DC DN Contemporary offers less weight (265g vs 520g), a lower price (about £210 vs £350), weather sealing; the AF 27mm f/1.2 Pro offers a brighter maximum aperture (f/1.2, about 0.4 stops more light).
Which is better value, the 30mm f/1.4 DC DN Contemporary or the AF 27mm f/1.2 Pro?
On Sony E / FE, the Sigma 30mm f/1.4 DC DN Contemporary costs about £210 against about £350 for the Viltrox AF 27mm f/1.2 Pro (MPB used where listed, otherwise new; checked 5 November 2026).
Is f/1.2 worth it over f/1.4?
f/1.2 gathers about 0.4 stops more light, which helps indoors, at night and for background blur. If you mostly shoot in good light, the slower lens is usually lighter and cheaper.
Do both lenses fit the same cameras?
Both are available for Sony E / FE (and other mounts: Fujifilm X, Canon RF / RF-S, Nikon Z, L-Mount, Micro Four Thirds, Canon EF-M). Both are made for crop sensors.