Comparison of Olympus 9mm f/8 BCL-0980 Fisheye Body Cap Lens and Olympus 15mm ƒ/8 BCL-1580 Body Cap Lens [S]ave
| Attribute |  Olympus 9mm f/8 BCL-0980 Fisheye Body Cap Lens × |  Olympus 15mm ƒ/8 BCL-1580 Body Cap Lens × |
|---|---|---|
| Weight (g) | 30 | 22 |
| Type | Body Cap Pancake Prime | Body Cap Pancake Prime |
| Brand | Olympus | Olympus |
| Name | Olympus 9mm f/8 BCL-0980 Fisheye Body Cap Lens | Olympus 15mm ƒ/8 BCL-1580 Body Cap Lens |
| Focal Length (mm) | 9.00 | 15.00 |
| Image Circle | Image Circle | Image Circle |
| Closest Focus (m) | 0.2 | 0.3 |
| Lens Construction | 5 elements in 4 groups, including 2 aspherical elements | 3 elements in 3 groups |
| Notes | Available in black or silver. Includes Lens Rear Cap (LR-2). | Closing mechanism to function as a body cap. |
| Magnification Ratio (x) | 0.046 | 0.12 |
| Aperture (f) | 8.00 | 8.00 |
| Diagonal Angle of View (degree) | 140.00 | 72.00 |
| Diameter (mm) | 56 | 56 |
| 35mm Equivalent | 18mm | 30mm |
| Length (mm) | 13 | 9 |
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