Global
| Focal length | 400 mm |
|---|---|
| Maximum aperture | f/2.8 |
| Minimum aperture | f/22 |
| Lens construction | 16 elements in 12 groups (including two fluorite and two ED glass elements, plus one meniscus protective glass element) |
| Angle of view | 6°10' (4° with Nikon DX format) |
| Minimum focus distance | 2.6 m/8.5 ft |
| Maximum reproduction ratio | 0.17x |
| No. of diaphragm blades | 9 (rounded) |
| Filter-attachment size | 40.5 mm |
| Diameter x length (distance from camera lens mount flange) |
Approximately 159.5 x 358 mm/6.3 x 14.1 in. |
| Weight | Approximately 3,800 g/8.4 lb |
| Supplied accessories | Slip-on Front Lens Cap, Rear Lens Cap LF-4, Lens Hood HK-38, 40.5 mm screw-in NC filter, Lens Case CT-405, Strap LN-2, Monopod collar |
| Spatial Frequencies | S: Sagittal | M: Meridional |
|---|---|---|
| 10 lines/mm |  |
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| 30 lines/mm |  |
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