Viltrox AF 20mm f/2.8 Air vs Sigma 20mm f/1.4 DG HSM Art
Both are Leica L prime lenses for full frame. Here is what actually differs.
Pick the Viltrox AF 20mm f/2.8 Air if
- You want the lighter lens to carry: 876 g lighter (159 g vs 1035 g)
- You shoot video: STM autofocus is smooth and quiet (the Sigma 20mm f/1.4 DG HSM Art uses HSM)
- You shoot close-ups: it focuses down to 0.19 m vs 0.28 m
- You want bigger close-ups: 0.17× vs 0.14× maximum magnification
- You want a compact lens: 52.3 mm vs 153.75 mm long
Pick the Sigma 20mm f/1.4 DG HSM Art if
- You need 2 stops more light for low light or background blur (f/1.4 vs f/2.8)
- You care about the shape of out-of-focus highlights: 9 aperture blades vs 7
Spec differences
11 differences| Viltrox AF 20mm f/2.8 Air | Sigma 20mm f/1.4 DG HSM Art | |
|---|---|---|
| Brand |
Viltrox
|
Sigma
|
| Max aperture |
f/2.8
|
f/1.4
2 stops faster
|
| Weight |
159 g
lighter
|
1035 g
|
| Length |
52.3 mm
shorter
|
153.75 mm
|
| Diameter |
64 mm
slimmer
|
90.7 mm
|
| Filter thread |
52 mm
|
not listed
|
| Min focus distance |
0.19 m
closer
|
0.28 m
|
| Max magnification |
0.17×
larger
|
0.14×
|
| Aperture blades |
7
|
9
more blades
|
| Optical design |
10 elements / 8 groups
|
15 elements / 11 groups
|
| Autofocus motor |
STM
|
HSM
|
5 identical specs hidden: mount, type, format, focal length, image stabilization. Show all
- Mount
- Leica L both
- Type
- Prime both
- Format
- Full frame both
- Focal length
- 20mm both
- Image stabilization
- No both
More comparisons
Viltrox AF 20mm f/2.8 Air vs Panasonic Lumix S 20mm F2.5
0.17× magnification vs ⅓ stop faster
Sigma 20mm f/1.4 DG HSM Art vs Panasonic Lumix S 20mm F2.5
1⅔ stops faster vs 893 g lighter
Viltrox AF 20mm f/2.8 Air vs Sigma 20mm f/2 DG DN Contemporary
211 g lighter vs 1 stop faster
Sigma 20mm f/1.4 DG HSM Art vs DN Art
DN Art: 400 g lighter, focuses closer
Sigma 20mm f/1.4 DG HSM Art vs f/2 DG DN Contemporary
1 stop faster vs 665 g lighter