Lens details
| Mounts | Canon EF Nikon F Sony / KM A Pentax K Sigma SA |
| Lensname | Sigma 8 F/4 EX DG Circular Fisheye |
| Focallength | 8 mm |
| Speed | F/4 |
| Stabilisation | 0 stops |
| Min. focusdistance | 20 cm |
| Size | 73.5 x 63 mm |
| Weight | 320 grams |
| Filtersize | Rear mm |
| Autofocus | Micromotor |
| Aperture blades | 5 blades |
| Minimal aperture | F/32 |
| Elements / groups | 10 / 6 |
| Magnification | 0.07 |
| Hood | |
| F-stop breakdown | N/A |
| Other info |
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