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Canon EF 400 mm f/2.8L IS USM
Specifications:
| Manufacturer | Canon |
|---|---|
| Model | EF 400 mm f/2.8L IS USM |
| Lens style | Telephoto |
| Focal length | 400 mm |
| Maximum aperture | f/2.8 |
| Angle of view | 6.2 o |
| Closest focusing distance | 3 m |
| Maximum magnification | 1:6.67 |
| Minimum aperture | 32 |
| Number of diaphragm blades | 8 |
| Auto focus type | USM |
| Lens Construction | 17 elements / 13 groups |
| Filter diameter | 52 mm |
| Macro | No |
| Available mounts | Canon EF |
| Dimensions | 163 x 349 mm |
| Weight | 5370 g |
| Additional information | Marketed September 1999 |
