Comparison of Laowa 10-18mm f/4.5-5.6 FE Zoom and Sigma 8mm f/3.5 EX DG Circular Fisheye [S]ave
| Attribute |  Laowa 10-18mm f/4.5-5.6 FE Zoom × |  Sigma 8mm f/3.5 EX DG Circular Fisheye × |
|---|---|---|
| Closest Focus (m) | 0.15 | 0.14 |
| Magnification Ratio (x) | 0.25 | 0.22 |
| Length (mm) | 90.9 | 68.6 |
| Focus Details | Internal; Manual focus only | - |
| Zoom System | Rotary | - |
| Diaphragm Blades | 5 | 6 |
| Image Circle | 35mm | 35mm |
| Aperture (f) | 4.50 - 22.00 | 3.50 - 22.00 |
| Name | Laowa 10-18mm f/4.5-5.6 FE Zoom | Sigma 8mm f/3.5 EX DG Circular Fisheye |
| Brand | Laowa | Sigma |
| Weight (g) | 496 | 400 |
| Type | Wide Zoom | Fisheye Prime |
| Lens Construction | 14 elements in 10 groups, including 1 ED and 2 aspherical elements | 11 Elements in 6 Groups, with 1 SLD element |
| Filter Size (mm) | 37 | - |
| Focal Length (mm) | 10.00 - 18.00 | 8.00 |
| Notes | Available Mounts: Sony FE-mount; Canon RF and Nikon Z coming soon | Available AF Mounts: Sigma, Canon, Nikon, (Pentax and Sony TBD); Included Accessories: Gelatin Filter Holder, Padded Case |
| APS Equivalent | 1.5x: 15 - 27mm | 1.5x: 12mm; 1.6x: 12.8mm |
| Diagonal Angle of View (degree) | 102.00 - 130.00 | 180.00 |
| Diameter (mm) | 70 | 73.5 |
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