Comparison of Olympus 25mm f/2.8 Zuiko Digital and Panasonic 20mm f/1.7 II ASPH LUMIX G [S]ave
| Attribute |  Olympus 25mm f/2.8 Zuiko Digital × |  Panasonic 20mm f/1.7 II ASPH LUMIX G × |
|---|---|---|
| Diagonal Angle of View (degree) | 47.00 | 57.00 |
| Aperture (f) | 2.80 - 22.00 | 1.70 - 16.00 |
| Diaphragm Blades Type | circular | rounded |
| Filter Size (mm) | 43 | 46 |
| Notes | Included Accessories: Lens cap (LC-43), rear cap (LR-1). Screw-in aluminum lens cap, and lens hood optional. | Included Accessories: lens caps, storage bag. Available in black or silver. |
| Type | Standard Prime | Wide Prime |
| Magnification Ratio (x) | 0.19 | 0.13 |
| Diaphragm Blades | 7 | 7 |
| Lens Construction | 5 elements in 4 groups, including aspherical element | 7 elements in 5 groups, including 2 aspherical elements |
| Image Circle | Image Circle | Image Circle |
| Focal Length (mm) | 25.00 | 20.00 |
| Brand | Olympus | Panasonic |
| Name | Olympus 25mm f/2.8 Zuiko Digital | Panasonic 20mm f/1.7 II ASPH LUMIX G |
| Weight (g) | 95 | 87 |
| Diameter (mm) | 64 | 63 |
| Length (mm) | 23.5 | 25.5 |
| 35mm Equivalent | 50mm | 40mm |
| Closest Focus (m) | 0.2 | 0.2 |
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