Technical Specifications:
| Focal length | 28 mm |
| Aperture range | f/2 – f/22 |
| Focusing range | 0.24 m – ∞ |
| Number of elements/groups | 10/8 |
| Angular field, diag./horiz./vert. | 74°/65°/45° |
| Coverage at close range | 18 x 12 cm |
| Filter thread | M 58 x 0.75 |
| Dimensions (with caps) | ø 64-72 mm, length 93-96 mm |
| Weight | 500g - 580g |
| Camera mounts | EF Mount (ZE) |