Comparison of Panasonic 7-14mm ƒ/4 ASPH LUMIX G VARIO and Sigma 8mm f/4 EX Circular Fisheye [S]ave
| Attribute |  Panasonic 7-14mm ƒ/4 ASPH LUMIX G VARIO × |  Sigma 8mm f/4 EX Circular Fisheye × |
|---|---|---|
| Aperture (f) | 4.00 - 22.00 | 4.00 - 32.00 |
| Magnification Ratio (x) | 0.08 | 0.07 |
| Notes | Included Accessories: Lens Hood, Lens Caps, Storage Bag | Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax; Included Accessories: Gelatin Filter Holder, Fitted, Padded Case |
| Length (mm) | 83.1 | 63 |
| Closest Focus (m) | 0.25 | 0.2 |
| Zoom System | Rotary | - |
| Diameter (mm) | 70 | 73.5 |
| Image Circle | Micro Four-Thirds | 35mm |
| Focal Length (mm) | 7.00 - 14.00 | 8.00 |
| Name | Panasonic 7-14mm ƒ/4 ASPH LUMIX G VARIO | Sigma 8mm f/4 EX Circular Fisheye |
| Brand | Panasonic | Sigma |
| Weight (g) | 300 | 320 |
| Type | Wide Zoom | Fisheye Prime |
| Focus Details | Internal | - |
| Diaphragm Blades Type | circular | - |
| Diaphragm Blades | 7 | 5 |
| Diagonal Angle of View (degree) | 75.00 - 114.00 | 180.00 |
| Lens Construction | 16 elements in 12 groups, including 2 aspherical and 4 ED elements | 10 Elements in 6 Groups |
| APS Equivalent | - | 1.5x: 12mm; 1.6x: 12.8mm |
| 35mm Equivalent | 14 - 28mm | - |
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