Lens Comparison
Panasonic LUMIX S 50mm F1.8 vs Sigma 50mm f/2 DG DN Contemporary (L-mount)
The bottom line
These two are closely matched. The differences below are where they diverge — weigh the ones that map to what you shoot, and let size, price and handling break the tie.
Choose the Panasonic LUMIX S 50mm F1.8 if…
- ✓You work outdoors — it's weather-sealed against dust and moisture; the other isn't.
Choose the Sigma 50mm f/2 DG DN Contemporary (L-mount) if…
- ✓You like close-focus work — 0.22x magnification vs 0.14x.
Where they differ
- ›Aperture: the Panasonic LUMIX S 50mm F1.8 opens to f/1.8 vs the Sigma 50mm f/2 DG DN Contemporary (L-mount)'s f/2 — more light and shallower depth-of-field.
- ›Price: the Panasonic LUMIX S 50mm F1.8 is $399, $100 under the Sigma 50mm f/2 DG DN Contemporary (L-mount).
- ›Durability: the Panasonic LUMIX S 50mm F1.8 is weather-sealed; the other isn't.
Frequently asked
Is the Panasonic LUMIX S 50mm F1.8 or the Sigma 50mm f/2 DG DN Contemporary (L-mount) better?
These two are closely matched. The differences below are where they diverge — weigh the ones that map to what you shoot, and let size, price and handling break the tie.
Who should choose the Panasonic LUMIX S 50mm F1.8?
Choose the Panasonic LUMIX S 50mm F1.8 if you work outdoors — it's weather-sealed against dust and moisture; the other isn't.
Who should choose the Sigma 50mm f/2 DG DN Contemporary (L-mount)?
Choose the Sigma 50mm f/2 DG DN Contemporary (L-mount) if you like close-focus work — 0.22x magnification vs 0.14x.
What is the main difference between the Panasonic LUMIX S 50mm F1.8 and the Sigma 50mm f/2 DG DN Contemporary (L-mount)?
Aperture: the Panasonic LUMIX S 50mm F1.8 opens to f/1.8 vs the Sigma 50mm f/2 DG DN Contemporary (L-mount)'s f/2 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 50mm | 50mm |
| Lens Type | Prime | Prime |
| Optical Elements | 9 | 11 |
| Optical Groups | 8 | 8 |
| Aperture & Iris | ||
| Maximum Aperture | f/1.8 | 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 | 47° | 47° |
| 35mm Equivalent | − | − |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Stepping | HLA |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 45 cm | 25 cm |
| Max Magnification | 0.14x | 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) | $399 | $499 |
| Filter Size | 67mm | 55mm |
| Diameter | 73mm | 64.4mm |
| Length | 82mm | 68mm |
| Weight | 300g (10.6 oz) | 290g (10.2 oz) |
| Weather Sealed | Yes | No |
| Tripod Collar | No | No |






