Serenar 135mm f/3.5 I
| Marketed | December 1952 |
| Original Price | 27,000 yen |
| Lens Construction (group) | 3 |
| Lens Construction (element) | 4 |
| No. of Diaphragm Blades | -- |
| Minimum Aperture | 22 |
| Closest Focusing Distance (m) | 1.5 |
| Maximum Magnifcation (x) | -- |
| Filter Diameter (mm) | 48 |
| Maximum Diameter x Length (mm) | 56 x 97 |
| Weight (g) | 565 |
