Comparison of Nikon 400mm f/2.8E FL ED AF-S VR Nikkor and Olympus 300mm f/2.8 Zuiko Digital [S]ave
| Attribute |  Nikon 400mm f/2.8E FL ED AF-S VR Nikkor × |  Olympus 300mm f/2.8 Zuiko Digital × |
|---|---|---|
| Closest Focus (m) | 2.6 | 2 |
| Magnification Ratio (x) | 0.16 | 0.15 |
| Length (mm) | 358 | 282 |
| Focus Details | Internal; Silent Wave Motor; A/M/MA/MA switch | - |
| Diagonal Angle of View (degree) | 6.20 | 4.20 |
| Zoom System | n/a | - |
| Image Circle | 35mm | Image Circle |
| Aperture (f) | 2.80 - 22.00 | 2.80 - 22.00 |
| Name | Nikon 400mm f/2.8E FL ED AF-S VR Nikkor | Olympus 300mm f/2.8 Zuiko Digital |
| Brand | Nikon | Olympus |
| Weight (g) | 3800 | 3300 |
| Type | Telephoto Prime | Telephoto Prime |
| Lens Construction | 16 elements in 12 groups, including 2 ED glass and 2 Fluorite elements, with Nano Crystal Coat | 13 elements in 11 groups, including 3 ED elements |
| Filter Size (mm) | 5 | - |
| Focal Length (mm) | 400.00 | 300.00 |
| Notes | Electromagnetic Diaphragm; Image Stabilization | Includes Lens Hood (LH-120) and Lens Case (LSH-1738) |
| APS Equivalent | 600mm | - |
| Diaphragm Blades Type | rounded | - |
| Diaphragm Blades | 9 | 9 |
| 35mm Equivalent | - | 600mm |
| Diameter (mm) | 159.5 | 129 |
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