
| Focal Length & Maximum Aperture | 400mm 1:2.8 |
| Lens Construction | 17 elements in 13 groups |
| Diagonal Angle of View | 6° 10' |
| Focus Adjustment | Inner focusing system with USM |
| Closest Focusing Distance | 3m / 9.8 ft. |
| Filter Size | 52mm Drop-In |
| Max. Diameter x Length, Weight | 6.4" x 13.7", 11.8 lbs. / 163.0 x 349.0mm, 5370g |


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