Comparison of Olympus 9-18mm ƒ/4-5.6 ED M.Zuiko Digital and Panasonic 8mm f/3.5 Lumix G Fisheye [S]ave
| Attribute |  Panasonic 8mm f/3.5 Lumix G Fisheye × |  Olympus 9-18mm ƒ/4-5.6 ED M.Zuiko Digital × |
|---|---|---|
| Diagonal Angle of View (degree) | 180.00 | 62.00 - 100.00 |
| Aperture (f) | 3.50 - 22.00 | 4.00 - 22.00 |
| Diaphragm Blades Type | rounded | circular |
| Filter Size (mm) | 22 | 52 |
| Notes | Included accessories: Lens caps, storage bag | The internal focusing mechanism moves just one lens unit for focusing |
| 35mm Equivalent | 16mm | 18 - 36mm |
| Type | Fisheye Prime | Wide Zoom |
| Diaphragm Blades | 7 | 7 |
| Lens Construction | 10 elements in 9 groups, including 1 ED element | 12 elements in 8 groups, including 1 aspherical and 1 ED element |
| Image Circle | Micro Four-Thirds | Image Circle |
| Focal Length (mm) | 8.00 | 9.00 - 18.00 |
| Brand | Panasonic | Olympus |
| Name | Panasonic 8mm f/3.5 Lumix G Fisheye | Olympus 9-18mm ƒ/4-5.6 ED M.Zuiko Digital |
| Weight (g) | 165 | 155 |
| Zoom System | - | Rotary |
| Closest Focus (m) | 0.1 | 0.25 |
| Diameter (mm) | 60.7 | 56.6 |
| Length (mm) | 51.7 | 49.5 |
| Focus Details | Internal; Stepper Motor | - |
| Magnification Ratio (x) | 0.2 | 0.1 |
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