400mm
| Effective focal length | Angle of view | |
| Full-frame | 400mm | 6.2 degrees |
| APS-H (1.3x crop) | 520mm | 4.9 degrees |
| APS-C (1.5x crop) | 600mm | 4.1 degrees |
| APS-C (1.6x crop) | 640mm | 3.9 degrees |
| APS-C (1.7x crop) | 680mm | 3.6 degrees |
| Four Thirds (2x crop) | 800mm | 3.1 degrees |