Sigma 20mm f/2 DG DN Contemporary vs Sony E 11mm f/1.8
The bottom line
These cover different focal lengths — the Sigma 20mm f/2 DG DN Contemporary is 20mm, the Sony E 11mm f/1.8 is 11mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 20mm f/2 DG DN Contemporary for wide-angle, the Sony E 11mm f/1.8 for wide-angle.
Choose the Sigma 20mm f/2 DG DN Contemporary if…
- ✓You need more reach — it goes to 20mm vs 11mm for distant subjects, wildlife and sport.
Choose the Sony E 11mm f/1.8 if…
- ✓You shoot wide — it starts at 11mm vs 20mm for landscapes, interiors and architecture.
- ✓You value portability — at 181g (6.4 oz) it's lighter than the 370g (13.1 oz) alternative for travel and all-day carry.
Where they differ
- ›Aperture: the Sony E 11mm f/1.8 opens to f/1.8 vs the Sigma 20mm f/2 DG DN Contemporary's f/2 — more light and shallower depth-of-field.
- ›Focal range: Sigma 20mm f/2 DG DN Contemporary is 20mm, Sony E 11mm f/1.8 is 11mm — different framing and reach.
- ›Weight: the Sony E 11mm f/1.8 is 181g (6.4 oz) vs 370g (13.1 oz) — you'll feel the difference handheld.
Frequently asked
Is the Sigma 20mm f/2 DG DN Contemporary or the Sony E 11mm f/1.8 better?
These cover different focal lengths — the Sigma 20mm f/2 DG DN Contemporary is 20mm, the Sony E 11mm f/1.8 is 11mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 20mm f/2 DG DN Contemporary for wide-angle, the Sony E 11mm f/1.8 for wide-angle.
Who should choose the Sigma 20mm f/2 DG DN Contemporary?
Choose the Sigma 20mm f/2 DG DN Contemporary if you need more reach — it goes to 20mm vs 11mm for distant subjects, wildlife and sport.
Who should choose the Sony E 11mm f/1.8?
Choose the Sony E 11mm f/1.8 if you shoot wide — it starts at 11mm vs 20mm for landscapes, interiors and architecture. Choose it if you value portability — at 181g (6.4 oz) it's lighter than the 370g (13.1 oz) alternative for travel and all-day carry.
What is the main difference between the Sigma 20mm f/2 DG DN Contemporary and the Sony E 11mm f/1.8?
Aperture: the Sony E 11mm f/1.8 opens to f/1.8 vs the Sigma 20mm f/2 DG DN Contemporary's f/2 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 20mm | 11mm |
| Lens Type | Prime | Prime |
| Optical Elements | 13 | 8 |
| Optical Groups | 11 | 6 |
| Aperture & Iris | ||
| Maximum Aperture | f/2 | f/1.8 |
| Minimum Aperture | f/16 | f/22 |
| Aperture Blades | 9 | 9 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | APS-C |
| Lens Mount | Sony E | Sony E |
| Angle of View | 94° | 104° |
| 35mm Equivalent | − | 17-17mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | HLA | Linear |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | No |
| Min Focus Distance | 22 cm | 12 cm |
| Max Magnification | 0.19x | 0.26x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | Yes | No |
| Declickable Aperture | Yes | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $549 | $549 |
| Filter Size | 67mm | 55mm |
| Diameter | 74.8mm | 66.7mm |
| Length | 90.5mm | 60.9mm |
| Weight | 370g (13.1 oz) | 181g (6.4 oz) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | No | No |
