Lens Comparison
Nikon NIKKOR Z DX 18-140mm f/3.5-6.3 VR vs Sigma 18-50mm f/2.8 DC DN Contemporary (Nikon Z)
Key Differences
- Sigma 18-50mm f/2.8 DC DN Contemporary (Nikon Z) has a better min focus distance (13 cm vs 20 cm).
- Sigma 18-50mm f/2.8 DC DN Contemporary (Nikon Z) has a better aperture blades (9 vs 7).
- Sigma 18-50mm f/2.8 DC DN Contemporary (Nikon Z) has a better maximum aperture (f/2.8 vs f/3.5).
- Sigma 18-50mm f/2.8 DC DN Contemporary (Nikon Z) has a better max magnification (0.5x vs 0.36x).
- Sigma 18-50mm f/2.8 DC DN Contemporary (Nikon Z) has a better length (76.9mm vs 88.5mm).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 18-140mm | 18-50mm |
| Lens Type | Zoom | Zoom |
| Optical Elements | 16 | 13 |
| Optical Groups | 11 | 10 |
| Aperture & Iris | ||
| Maximum Aperture | f/3.5 | f/2.8 |
| Minimum Aperture | f/22 | f/22 |
| Aperture Blades | 7 | 9 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | APS-C | APS-C |
| Lens Mount | Nikon Z | Nikon Z |
| Angle of View | − | − |
| 35mm Equivalent | 27-210mm | 27-75mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Stepping | HLA |
| Focus Limiter | No | No |
| AF/MF Switch | No | Yes |
| Min Focus Distance | 20 cm | 13 cm |
| Max Magnification | 0.36x | 0.5x |
| Stabilization & Video | ||
| Optical Stabilization | Yes | No |
| Aperture Ring | No | Yes |
| Declickable Aperture | No | Yes |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $599 | $599 |
| Filter Size | 62mm | 52mm |
| Diameter | 70mm | 65.4mm |
| Length | 88.5mm | 76.9mm |
| Weight | 315g (11.1 oz) | 290g (10.2 oz) |
| Weather Sealed | No | Yes |
| Tripod Collar | No | No |
