Serenar 800mm f/8 I
| Marketed | March 1953 |
| Original Price | 160,000 yen |
| Lens Construction (group) | 1 |
| Lens Construction (element) | 2 |
| No. of Diaphragm Blades | -- |
| Minimum Aperture | 32 |
| Closest Focusing Distance (m) | 9.7 |
| Maximum Magnifcation (x) | -- |
| Filter Diameter (mm) | 36.5 |
| Maximum Diameter x Length (mm) | 113 x 970 |
| Weight (g) | 1,900 |
