Lens Category and Release Details |
| Lens Mount Type | EF |
| Lens Category | Super-Telephoto Primes |
| Launch Date | May, 1993 |
| Initial Price | $1,349.00 |
Lens Characteristics |
| Diameter | 90mm |
| Length | 257mm |
| Weight | 1250g |
| Filter Thread | 77mm |
| Rear Filter Installed | False |
| Weathersealing | True |
| Focal Length | 400mm |
| Number of Elements / Groups | 7/6 |
| Maxiumum Aperture | 5.60 |
| Minumum Aperture | 32.00 |
| Minumum Focal Distance | 3.50m |
| Number of Diaphragm Blades | 8 |