Canon FL 135mm f/2.5 Lens (E/RF/L/M Mount)
| Marketed | May 1965 |
| Lens Construction (group) | 4 |
| Lens Construction (element) | 6 |
| No. of Diaphragm Blades | 8 |
| Minimum Aperture | 16 |
| Closest Focusing Distance (m) | 1.5 |
| Maximum Magnification (x) | 0.106 |
| Filter Diameter (mm) | 58 |
| Diameter x Length (mm) | 68 x 102 |
| Weight (g) | 645 |