Comparison of Nikon 28mm f/1.4D AF Nikkor and Sigma 28mm ƒ/1.8 EX DG Aspherical Macro [S]ave
| Attribute |  Sigma 28mm ƒ/1.8 EX DG Aspherical Macro × |  Nikon 28mm f/1.4D AF Nikkor × |
|---|---|---|
| Diameter (mm) | 83.6 | 75 |
| Aperture (f) | 1.80 - 22.00 | 1.40 - 16.00 |
| Diagonal Angle of View (degree) | 75.40 | 74.00 |
| Magnification Ratio (x) | 0.34 | 0.12 |
| Filter Size (mm) | 77 | 72 |
| Type | Wide Prime | Wide Prime |
| Closest Focus (m) | 0.2 | 0.35 |
| APS Equivalent | 1.5x: 42mm; 1.6x: 44.8mm | 42mm |
| Diaphragm Blades | 9 | 9 |
| Image Circle | 35mm | 35mm |
| Focal Length (mm) | 28.00 | 28.00 |
| Brand | Sigma | Nikon |
| Name | Sigma 28mm ƒ/1.8 EX DG Aspherical Macro | Nikon 28mm f/1.4D AF Nikkor |
| Weight (g) | 500 | 520 |
| Focus Details | Internal with Dual Focus mechanism | - |
| Length (mm) | 82.5 | 78 |
| Notes | Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax | - |
| Lens Construction | 10 elements in 9 groups, including 2 aspherical elements | 11 elements in 8 groups |
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