Sigma 20mm f/1.8 EX DG vs Sigma 20mm f/1.8 EX DG Aspherical RF
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
| Spec | 20mm f/1.8 EX DG | 20mm f/1.8 EX DG Aspherical RF |
|---|---|---|
| Brand | Sigma | Sigma |
| Mount | Sigma SA | Sigma SA |
| Type | Prime | Prime |
| Focal length | 20mm | 20mm |
| Max aperture | f/1.8 | f/1.8 |
Sigma 20mm f/1.8 EX DG
Sigma 20mm f/1.8 EX DG: a full-frame fast wide-angle prime lens with a 20mm focal length and a maximum aperture of f/1.8, made for Sigma SA mount cameras. The wide view suits landscapes, architecture and environmental shots.
Sigma 20mm f/1.8 EX DG Aspherical RF
Sigma 20mm f/1.8 EX DG Aspherical RF: a full-frame fast wide-angle prime lens with a 20mm focal length and a maximum aperture of f/1.8, made for Sigma SA mount cameras, with aspherical elements. The wide view suits landscapes, architecture and environmental shots.