R100mm f/2
| Marketed | September 1959 |
| Original Price | 35,000 yen |
| Lens Construction (group) | 4 |
| Lens Construction (element) | 6 |
| No. of Diaphragm Blades | 6 |
| Minimum Aperture | 16 |
| Closest Focusing Distance (m) | 1 |
| Maximum Magnifcation (x) | -- |
| Filter Diameter (mm) | 58 |
| Maximum Diameter x Length (mm) | 68 x 83 |
| Weight (g) | 515 |
