Comparison of Pentax SMC P-FA 28mm f/2.8 Soft and Sony SAL-28F28 28mm f/2.8 [S]ave
| Attribute |  Sony SAL-28F28 28mm f/2.8 × |  Pentax SMC P-FA 28mm f/2.8 Soft × |
|---|---|---|
| Type | Wide Prime | Wide Prime |
| Name | Sony SAL-28F28 28mm f/2.8 | Pentax SMC P-FA 28mm f/2.8 Soft |
| Weight (g) | 184 | 190 |
| Image Circle | 35mm | 35mm |
| Brand | Sony | Pentax |
| Diameter (mm) | 71 | 66 |
| Focal Length (mm) | 28.00 | 28.00 |
| Focus Details | - | Soft Focus |
| Lens Construction | 5 elements in 5 groups | 5 elements in 5 groups |
| Magnification Ratio (x) | 0.13 | 0.18 |
| Closest Focus (m) | 0.3 | 0.25 |
| Filter Size (mm) | 49 | 49 |
| Aperture (f) | 2.80 - 22.00 | 2.80 - 22.00 |
| Diagonal Angle of View (degree) | 75.00 | 75.00 |
| Diaphragm Blades | 7 | - |
| APS Equivalent | 42mm | 42mm |
| Notes | Built-in Hood | - |
| Length (mm) | 43 | 41 |
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