| Year | 1987 |
| Lens Groups | - |
| Lens Element | - |
| Aperature Blades | - |
| Minimum Aperture | - |
| Closest Focusing | - |
| Max. Magnifcation | |
| Filter Size | - |
| Diameter x Length | - |
| Weight | |
| Hood | - |
Best you can get for the price. This version has a metal mount, second version has a plastic mount. Never used the STM version, but it's probably a lot faster to focus.