| Name |
Sigma 8mm f/3.5 EX DG Circular Fisheye |
| Image Circle |
35mm |
| Type |
Fisheye Prime |
| Focal Length |
8mm |
| APS Equivalent |
1.5x: 12mm; 1.6x: 12.8mm |
| Max Aperture |
f/3.5 |
| Min Aperture |
f/22 |
| Diaphragm Blades |
6 |
| Lens Construction |
11 Elements in 6 Groups, with 1 SLD element |
| Diagonal Angle of View(Based on image circle) |
180 degrees |
| Focus Details |
|
| Front Element Rotation |
? |
| Zoom System |
n/a |
| Closest Focus |
13.5cm / 5.3 in. |
| Magnification Ratio |
0.22x / 1:4.6 |
| Filter Size |
Rear (Gelatin Filter) |
| Dimensions(Length x Diameter) |
68.6mm x 73.5mm / 2.7 in. x 2.9 in. |
| Weight |
400g / 14 oz |
| Notes |
Available AF Mounts: Sigma, Canon, Nikon, (Pentax and Sony TBD); Included Accessories: Gelatin Filter Holder, Padded Case |
| Typical Online Price |
US$900 |