CANON 50mm f/2.8 I
| Marketed | January 1955 |
| Original Price | 16,000 yen |
| Lens Construction (group) | 3 |
| Lens Construction (element) | 4 |
| No. of Diaphragm Blades | -- |
| Minimum Aperture | 16 |
| Closest Focusing Distance (m) | 1 |
| Maximum Magnifcation (x) | -- |
| Filter Diameter (mm) | 34 |
| Maximum Diameter x Length (mm) | 48 x 37.7 |
| Weight (g) | 128 |
