EF50mm f/1.8 STM
| Angle of View (Diagonal) | 46° |
| Angle of View (Horizontal) | 40° |
| Angle of View (Vertical) | 27° |
| Closest Focusing Distance (m, ft) | 0.35/1.15 |
| Construction (Groups Elements) | 5-6 |
| Diameter x Length (mm) (Approx.) | 69.2 x 39.3 |
| Distance Scale | - |
| Drive System | Stepping Motor-gear drive |
| Filter Size (mm) | 49 |
| Max. Magnification (x) | 0.21 |
| Min. Aperture | 22 |
| No. of Diaphragm Blades | 7 |
| Anti-dust and Moisture | Not Supported |
| Weight (g) (Approx.) | 160 |
| Accessories (Lens Cap) | E-49 |
| Accessories (Lens Hood) | ES-68 |
| Accessories (Lens Bag) | LP1014 |