Comparison of Laowa 17mm f/1.8 MFT and Nikon 20mm f/2.8D AF Nikkor [S]ave
| Attribute |  Nikon 20mm f/2.8D AF Nikkor × |  Laowa 17mm f/1.8 MFT × |
|---|---|---|
| Filter Size (mm) | 62 | 46 |
| Aperture (f) | 2.80 - 22.00 | 1.80 - 22.00 |
| Closest Focus (m) | 0.25 | 0.15 |
| Magnification Ratio (x) | 0.12 | 0.2 |
| Focus Details | Close Range Correction (CRC) | Internal; Manual focus only |
| Length (mm) | 69 | 51 |
| Focal Length (mm) | 20.00 | 17.00 |
| Diameter (mm) | 69 | 55 |
| Brand | Nikon | Laowa |
| Image Circle | 35mm | Micro Four-Thirds |
| Name | Nikon 20mm f/2.8D AF Nikkor | Laowa 17mm f/1.8 MFT |
| Weight (g) | 269 | 172 |
| Type | Wide Prime | Wide Prime |
| Diaphragm Blades Type | - | rounded |
| Diaphragm Blades | 7 | 7 |
| Diagonal Angle of View (degree) | 94.00 | 65.00 |
| Lens Construction | 12 elements in 9 groups | 9 elements in 7 groups, including one ED element; Frog Eye Coating |
| APS Equivalent | 30mm | - |
| 35mm Equivalent | - | 34mm |
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