| Lens Specifications | |
|---|---|
| Name | Sigma 15mm f/2.8 EX Diagonal Fisheye |
| Image Circle | 35mm |
| Type | Fisheye Prime |
| Focal Length | 15mm |
| APS Equivalent | 1.5x: 22.5mm; 1.6x: 24mm |
| Max Aperture | f/2.8 |
| Min Aperture | f/22 |
| Diaphragm Blades | 7 |
| Lens Construction | 7 elements in 6 groups |
| Diagonal Angle of View(Based on image circle) | 180 degrees |
| Focus Details | |
| Front Element Rotation | No |
| Zoom System | n/a |
| Closest Focus | 15cm / 5.9 in. |
| Magnification Ratio | 0.26x / 1:3.8 |
| Filter Size | Rear (Gelatin Filter) |
| Dimensions(Length x Diameter) | 65mm x 73.5mm / 2.6 in. x 2.9 in. |
| Weight | 370g / 13.0 oz |
| Notes | Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax |
| Typical Online Price | US$469.99 |
