Lens Comparison
Sigma 16-28mm f/2.8 DG DN Contemporary vs Sigma 17-40mm f/1.8 DC Art Lens
Key Differences
- Sigma 17-40mm f/1.8 DC Art Lens has a better maximum aperture (f/1.8 vs f/2.8).
- Sigma 16-28mm f/2.8 DG DN Contemporary has a better weight (405g (14.3 oz) vs 560g (1.23 lb)).
- Sigma 17-40mm f/1.8 DC Art Lens has a better aperture blades (11 vs 9).
- Sigma 16-28mm f/2.8 DG DN Contemporary has a better length (100.6mm vs 115.9mm).
- Sigma 16-28mm f/2.8 DG DN Contemporary has a better min focus distance (25 cm vs 28 cm).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 16-28mm | 17-40mm |
| Lens Type | Zoom | Zoom |
| Optical Elements | 13 | 17 |
| Optical Groups | 11 | 11 |
| Aperture & Iris | ||
| Maximum Aperture | f/2.8 | f/1.8 |
| Minimum Aperture | f/22 | f/16 |
| Aperture Blades | 9 | 11 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | APS-C |
| Lens Mount | Sony E | Sony E |
| Angle of View | − | 76.5° – 37.1° |
| 35mm Equivalent | − | 25-60mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | HLA | HLA |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 25 cm | 28 cm |
| Max Magnification | 0.19x | 0.21x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | No | Yes |
| Declickable Aperture | No | Yes |
| Parfocal | No | No |
| Internal Zoom | No | Yes |
| General | ||
| Price (MSRP) | $899 | $919 |
| Filter Size | 72mm | 67mm |
| Diameter | 77.2mm | 72.9mm |
| Length | 100.6mm | 115.9mm |
| Weight | 405g (14.3 oz) | 560g (1.23 lb) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | No | No |






