Comparison of Nikon 20mm f/2.8D AF Nikkor and Sony SAL-20F28 20mm f/2.8 [S]ave
| Attribute |  Sony SAL-20F28 20mm f/2.8 × |  Nikon 20mm f/2.8D AF Nikkor × |
|---|---|---|
| Diagonal Angle of View (degree) | 94.00 | 94.00 |
| Filter Size (mm) | 72 | 62 |
| Aperture (f) | 2.80 - 22.00 | 2.80 - 22.00 |
| Closest Focus (m) | 0.25 | 0.25 |
| Magnification Ratio (x) | 0.13 | 0.12 |
| Type | Wide Prime | Wide Prime |
| Focus Details | Rear focusing | Close Range Correction (CRC) |
| APS Equivalent | 30mm | 30mm |
| Diaphragm Blades | 7 | 7 |
| Image Circle | 35mm | 35mm |
| Focal Length (mm) | 20.00 | 20.00 |
| Brand | Sony | Nikon |
| Name | Sony SAL-20F28 20mm f/2.8 | Nikon 20mm f/2.8D AF Nikkor |
| Weight (g) | 285 | 269 |
| Diameter (mm) | 78 | 69 |
| Length (mm) | 53.5 | 69 |
| Notes | Included Accessories: SH0013 Lens Hood | - |
| Lens Construction | 10 elements in 9 groups | 12 elements in 9 groups |
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