Comparison of Olympus 25mm ƒ/1.8 M.Zuiko Digital and Sony 30mm f/2.8 DT Macro SAM SAL-30M28 [S]ave
| Attribute |  Sony 30mm f/2.8 DT Macro SAM SAL-30M28 × |  Olympus 25mm ƒ/1.8 M.Zuiko Digital × |
|---|---|---|
| Diagonal Angle of View (degree) | 50.00 | 47.00 |
| Aperture (f) | 2.80 - 22.00 | 1.80 - 22.00 |
| Diaphragm Blades Type | rounded | circular |
| Filter Size (mm) | 49 | 46 |
| Notes | - | Available in black or silver. Included accessories: Lens Cap (LC-46), Lens Rear Cap (LR-2), Lens Hood (LH-49B), Decoration Ring (DR-49). |
| APS Equivalent | 45mm | - |
| Type | Wide Prime Macro | Standard Prime |
| Diaphragm Blades | 7 | 7 |
| Lens Construction | 6 elements in 5 groups | 9 elements in 7 groups, including 2 aspherical elements |
| Image Circle | APS-C | Image Circle |
| Focal Length (mm) | 30.00 | 25.00 |
| Brand | Sony | Olympus |
| Name | Sony 30mm f/2.8 DT Macro SAM SAL-30M28 | Olympus 25mm ƒ/1.8 M.Zuiko Digital |
| Weight (g) | 150 | 136 |
| Diameter (mm) | 70 | 56 |
| Length (mm) | 45 | 41 |
| 35mm Equivalent | - | 50mm |
| Magnification Ratio (x) | 1 | 0.12 |
| Focus Details | Smooth Autofocus Motor (SAM) | - |
| Closest Focus (m) | 0.13 | 0.24 |
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