Canon FL 28mm f/3.5 Lens (E/RF/L/M Mount)
| Marketed | December 1966 |
| Lens Construction (group) | 7 |
| Lens Construction (element) | 7 |
| No. of Diaphragm Blades | 6 |
| Minimum Aperture | 16 |
| Closest Focusing Distance (m) | 0.4 |
| Maximum Magnification (x) | 0.09 |
| Filter Diameter (mm) | 58 |
| Diameter x Length (mm) | 65 x 40 |
| Weight (g) | 240 |