Sigma 20mm F2 DG DN | Contemporary 022 vs Samyang 20mm f/1.8 ED AS UMC
Both are Sony E prime lenses for full frame. Here is what actually differs.
Pick the Sigma 20mm F2 DG DN | Contemporary 022 if
- You want the lighter lens to carry: 155 g lighter (370 g vs 525 g)
- You want autofocus (Stepping motor): the Samyang 20mm f/1.8 ED AS UMC is manual focus only
- You want a compact lens: 74.4 mm vs 114.4 mm long
- Our notes say it suits: Landscape and astro, street and travel, interiors
Pick the Samyang 20mm f/1.8 ED AS UMC if
- You need ⅓ stop more light for low light or background blur (f/1.8 vs f/2)
Spec differences
12 differences| Sigma 20mm F2 DG DN | Contemporary 022 | Samyang 20mm f/1.8 ED AS UMC | |
|---|---|---|
| Brand |
Sigma
|
Samyang
|
| Max aperture |
f/2
|
f/1.8
⅓ stop faster
|
| Weight |
370 g
lighter
|
525 g
|
| Length |
74.4 mm
shorter
|
114.4 mm
|
| Diameter |
70 mm
slimmer
|
83 mm
|
| Filter thread |
62 mm
|
77 mm
|
| Min focus distance |
0.22 m
|
0.2 m
closer
|
| Max magnification |
0.15×
|
not listed
|
| Aperture blades |
9
|
not listed
|
| Optical design |
13 elements / 11 groups
|
13 elements / 12 groups
|
| Autofocus motor |
Stepping motor
|
Manual focus
|
| Released |
2022
|
not listed
|
5 identical specs hidden: mount, type, format, focal length, image stabilization. Show all
- Mount
- Sony E both
- Type
- Prime both
- Format
- Full frame both
- Focal length
- 20mm both
- Image stabilization
- No both
Our notes
Sigma 20mm F2 DG DN | Contemporary 022
A compact wide-angle prime for full-frame mirrorless in Sigma's I series, with a metal body and aperture ring. It offers an f/2 aperture.
Pros
- Metal construction
- Aperture ring
- Compact at about 370 g
Cons
- f/2 is slower than f/1.4 options
- Some vignetting wide open
Our notes
Samyang 20mm f/1.8 ED AS UMC
More comparisons
Sony FE 20mm F1.8 G vs Sigma 20mm F2 DG DN | Contemporary 022
⅓ stop faster vs newer (2022)
Sony FE 20mm F1.8 G vs Samyang 20mm f/1.8 ED AS UMC
Sony FE 20mm F1.8 G: 152 g lighter, focuses closer
Tamron 20mm F2.8 Di III OSD M1:2 vs Sigma 20mm F2 DG DN | Contemporary 022
150 g lighter vs 1 stop faster
Sigma 20mm F2 DG DN | Contemporary 022 vs Tamron E 20mm F2.8 F050
1 stop faster vs 150 g lighter
Tamron 20mm F2.8 Di III OSD M1:2 vs Samyang 20mm f/1.8 ED AS UMC
305 g lighter vs 1⅓ stops faster
Sigma 20mm F2 DG DN | Contemporary 022 vs Voigtlander Color-Skopar 20mm f/3.5 SL II
Sigma 20mm F2 DG DN | Contemporary 022: 1⅔ stops faster, landscape and astro