28mm
| Effective focal length | Angle of view | |
| Full-frame | 28mm | 75.4 degrees |
| APS-H (1.3x crop) | 36mm | 63.2 degrees |
| APS-C (1.5x crop) | 42mm | 53.8 degrees |
| APS-C (1.6x crop) | 45mm | 51.9 degrees |
| APS-C (1.7x crop) | 48mm | 47.9 degrees |
| Four Thirds (2x crop) | 56mm | 42.3 degrees |