Lens Category and Release Details |
| Lens Mount Type | EF |
| Lens Category | Super-Telephoto Primes |
| Launch Date | August, 2010 |
| Initial Price | $6,099.00 |
Lens Characteristics |
| Diameter | 128mm |
| Length | 249mm |
| Weight | 2400g |
| Filter Thread | mm |
| Rear Filter Installed | True |
| Weathersealing | True |
| Focal Length | 300mm |
| Number of Elements / Groups | 16/12 |
| Maxiumum Aperture | 2.80 |
| Minumum Aperture | 32.00 |
| Minumum Focal Distance | 2.00m |
| Number of Diaphragm Blades | 9 |