Lens Comparison
Sigma 16-28mm f/2.8 DG DN Contemporary vs Sony FE 20mm f/1.8 G
Key Differences
- Sony FE 20mm f/1.8 G has a better maximum aperture (f/1.8 vs f/2.8).
- Sony FE 20mm f/1.8 G has a better min focus distance (18 cm vs 25 cm).
- Sony FE 20mm f/1.8 G has a better length (84.7mm vs 100.6mm).
- Sony FE 20mm f/1.8 G has a better weight (373g (13.2 oz) vs 405g (14.3 oz)).
- Sony FE 20mm f/1.8 G has a better max magnification (0.22x vs 0.19x).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 16-28mm | 20mm |
| Lens Type | Zoom | Prime |
| Optical Elements | 13 | 14 |
| Optical Groups | 11 | 12 |
| Aperture & Iris | ||
| Maximum Aperture | f/2.8 | f/1.8 |
| Minimum Aperture | f/22 | f/22 |
| Aperture Blades | 9 | 9 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | Full-Frame |
| Lens Mount | Sony E | Sony E |
| Angle of View | − | 94° – 94° |
| 35mm Equivalent | − | − |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | HLA | XD Linear |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 25 cm | 18 cm |
| Max Magnification | 0.19x | 0.22x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | No | Yes |
| Declickable Aperture | No | Yes |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $899 | $899 |
| Filter Size | 72mm | 67mm |
| Diameter | 77.2mm | 73.5mm |
| Length | 100.6mm | 84.7mm |
| Weight | 405g (14.3 oz) | 373g (13.2 oz) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | No | No |
