Lens Comparison
Sigma 20mm f/2 DG DN Contemporary (L-mount) vs Sigma 50mm f/2 DG DN Contemporary (L-mount)
Key Differences
- Sigma 50mm f/2 DG DN Contemporary (L-mount) has a better length (68mm vs 90.5mm).
- Sigma 50mm f/2 DG DN Contemporary (L-mount) has a better weight (290g (10.2 oz) vs 370g (13.1 oz)).
- Sigma 20mm f/2 DG DN Contemporary (L-mount) has a better min focus distance (22 cm vs 25 cm).
- Sigma 50mm f/2 DG DN Contemporary (L-mount) has a better price (msrp) ($499 vs $549).
- Sigma 50mm f/2 DG DN Contemporary (L-mount) has a better max magnification (0.22x vs 0.19x).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 20mm | 50mm |
| Lens Type | Prime | Prime |
| Optical Elements | 13 | 11 |
| Optical Groups | 11 | 8 |
| Aperture & Iris | ||
| Maximum Aperture | f/2 | f/2 |
| Minimum Aperture | f/16 | f/16 |
| Aperture Blades | 9 | 9 |
| 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 | 22 cm | 25 cm |
| Max Magnification | 0.19x | 0.22x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | Yes | Yes |
| Declickable Aperture | Yes | Yes |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $549 | $499 |
| Filter Size | 67mm | 55mm |
| Diameter | 74.8mm | 64.4mm |
| Length | 90.5mm | 68mm |
| Weight | 370g (13.1 oz) | 290g (10.2 oz) |
| Weather Sealed | Yes | No |
| Tripod Collar | No | No |
