| Corresponding AF Mount |
Sigma, Minolta (D type), Nikon (D type),
Pentax, Canon |
| Lens Construction (Groups /
Elements) |
11/13 |
| Angle of view (degrees) |
94.5º |
| No. of blades in diaphragm |
9 |
| Minimum Aperture (wide) |
22 |
| Minimum Focusing Distance (cm/in.) |
20/7.9 |
| Magnification |
01:04 |
| Filter Size (ø mm) |
82 |
| Dimensions Diameter x length (mm /
in.) |
88.6x87 / 3.5x3.4 |
| Weight (g / oz.) |
500/17.6 |
20mm Super Wide Angle
94.5º angle of view
Minimum focussing distance less than 8"
|