Lens Comparison
Sigma 28-45mm f/1.8 DG DN Art (L-mount) vs Sigma 50mm f/1.4 DG DN Art (L-mount)
Key Differences
- Sigma 28-45mm f/1.8 DG DN Art (L-mount) has a better min focus distance (20 cm vs 40 cm).
- Sigma 50mm f/1.4 DG DN Art (L-mount) has a better weight (665g (1.47 lb) vs 1020g (2.25 lb)).
- Sigma 50mm f/1.4 DG DN Art (L-mount) has a better length (111.3mm vs 149.2mm).
- Sigma 50mm f/1.4 DG DN Art (L-mount) has a better maximum aperture (f/1.4 vs f/1.8).
- Sigma 50mm f/1.4 DG DN Art (L-mount) has a better aperture blades (11 vs 9).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 28-45mm | 50mm |
| Lens Type | Zoom | Prime |
| Optical Elements | − | 17 |
| Optical Groups | − | 13 |
| Aperture & Iris | ||
| Maximum Aperture | f/1.8 | f/1.4 |
| Minimum Aperture | f/16 | f/16 |
| Aperture Blades | 9 | 11 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | Full-Frame |
| Lens Mount | L-Mount | L-Mount |
| Angle of View | − | − |
| 35mm Equivalent | − | − |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | HLA | HLA |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 20 cm | 40 cm |
| Max Magnification | 0.26x | 0.15x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | Yes | Yes |
| Declickable Aperture | Yes | Yes |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $1,099 | $999 |
| Filter Size | 82mm | 72mm |
| Diameter | 92mm | 80.2mm |
| Length | 149.2mm | 111.3mm |
| Weight | 1020g (2.25 lb) | 665g (1.47 lb) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | No | No |
