| M.Zuiko Digital 45mm f1.8 MSC | |
| Maker: | Olympus Corporation |
| Type: | Prime |
| Feat-Is: | n |
| Feat-Macro: | n |
| Flength: | 45mm |
| Flength-Eq: | 90mm |
| Aperture: | 1.8 - 22 |
| Groups: | 8 |
| Elements: | 9 |
| Diaphragm: | 7, circular |
| Close-Dist: | 0.5m (19.69 in) |
| Max-Mag: | 0.11 |
| Weight: | 116g (4.09 oz) |
| Max-Diameter: | 56 mm (2.20 in) |
| Max-Length: | 46 mm (1.81 in) |
| Filter: | Ø37 mm |
| Av-Diag: | 27° |
| Start: | 2011 |
The M.Zuiko Digital 45 mm f/1.8 is a prime lens by Olympus Corporation, for the Micro Four Thirds System. It is sold in a kit with the Olympus PEN camera body and available separately.