Comparison of Nikon 10.5mm f/2.8G ED AF DX Fisheye Nikkor and Olympus 8mm ƒ/1.8 Pro M.Zuiko Digital ED Fisheye [S]ave
| Attribute |  Nikon 10.5mm f/2.8G ED AF DX Fisheye Nikkor × |  Olympus 8mm ƒ/1.8 Pro M.Zuiko Digital ED Fisheye × |
|---|---|---|
| Magnification Ratio (x) | 0.2 | 0.2 |
| Notes | Included Accessories: CL-08715 soft case, lens cover, rear cap | Weather sealed; Fixed lens hood and a pinch-style lens cap LC-62 included. |
| Focus Details | Internal Focusing | - |
| Closest Focus (m) | 0.14 | 0.12 |
| Lens Construction | 10 elements in 7 groups, including 1 ED Element | 17 elements in 15 groups, including 1 aspherical, 3 Super ED, 2 ED, 1 Super HR, and 2 HR elements |
| Length (mm) | 64 | 80 |
| Focal Length (mm) | 10.50 | 8.00 |
| Diagonal Angle of View (degree) | 180.00 | 180.00 |
| Brand | Nikon | Olympus |
| Image Circle | APS-C | Image Circle |
| Name | Nikon 10.5mm f/2.8G ED AF DX Fisheye Nikkor | Olympus 8mm ƒ/1.8 Pro M.Zuiko Digital ED Fisheye |
| Weight (g) | 306 | 313 |
| Type | Fisheye Prime | Fisheye Prime |
| Aperture (f) | 2.80 - 22.00 | 1.80 - 22.00 |
| APS Equivalent | 15.75mm | - |
| Diaphragm Blades Type | rounded | circular |
| Diaphragm Blades | 7 | 7 |
| 35mm Equivalent | - | 16mm |
| Diameter (mm) | 64 | 62 |
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