Comparison of Canon EF 8-15mm ƒ/4L USM Fisheye and Olympus 8mm ƒ/1.8 Pro M.Zuiko Digital ED Fisheye [S]ave
| Attribute |  Canon EF 8-15mm ƒ/4L USM Fisheye × |  Olympus 8mm ƒ/1.8 Pro M.Zuiko Digital ED Fisheye × |
|---|---|---|
| Aperture (f) | 4.00 - 22.00 | 1.80 - 22.00 |
| Magnification Ratio (x) | 0.39 | 0.2 |
| Notes | Included Accessories: lens hood, case | Weather sealed; Fixed lens hood and a pinch-style lens cap LC-62 included. |
| Focus Details | Inner focusing; Ultra-sonic Motor (USM) with AF/MF switch | - |
| Closest Focus (m) | 0.16 | 0.12 |
| Diaphragm Blades Type | - | circular |
| Lens Construction | 14 elements in 11 groups, including UD and aspherical elements | 17 elements in 15 groups, including 1 aspherical, 3 Super ED, 2 ED, 1 Super HR, and 2 HR elements |
| Focal Length (mm) | 8.00 - 15.00 | 8.00 |
| APS Equivalent | 13 - 24mm | - |
| Brand | Canon | Olympus |
| Image Circle | 35mm | Image Circle |
| Name | Canon EF 8-15mm ƒ/4L USM Fisheye | Olympus 8mm ƒ/1.8 Pro M.Zuiko Digital ED Fisheye |
| Weight (g) | 540 | 313 |
| Type | Wide Zoom Fisheye | Fisheye Prime |
| Diagonal Angle of View (degree) | 175.50 - 180.00 | 180.00 |
| Diaphragm Blades | 7 | 7 |
| Zoom System | Rotary | - |
| Length (mm) | 83 | 80 |
| 35mm Equivalent | - | 16mm |
| Diameter (mm) | 78.5 | 62 |
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