Comparison of Nikon 28mm f/2.8D AF Nikkor and Pentax SMC P-FA 28mm f/2.8 Soft [S]ave
| Attribute |  Nikon 28mm f/2.8D AF Nikkor × |  Pentax SMC P-FA 28mm f/2.8 Soft × |
|---|---|---|
| Name | Nikon 28mm f/2.8D AF Nikkor | Pentax SMC P-FA 28mm f/2.8 Soft |
| Weight (g) | 210 | 190 |
| Image Circle | 35mm | 35mm |
| Brand | Nikon | Pentax |
| APS Equivalent | 42mm | 42mm |
| Focal Length (mm) | 28.00 | 28.00 |
| Lens Construction | 6 elements in 6 groups | 5 elements in 5 groups |
| Diameter (mm) | 65 | 66 |
| Magnification Ratio (x) | 0.18 | 0.18 |
| Closest Focus (m) | 0.25 | 0.25 |
| Filter Size (mm) | 52 | 49 |
| Aperture (f) | 2.80 - 22.00 | 2.80 - 22.00 |
| Diagonal Angle of View (degree) | 74.00 | 75.00 |
| Type | Wide Prime | Wide Prime |
| Diaphragm Blades | 7 | - |
| Focus Details | - | Soft Focus |
| Length (mm) | 45 | 41 |
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