| Make | Avenir |
|---|---|
| Manufacturer | Seiko Optical Corp |
| Model code | TTSH0420HI |
| Lens Format inches | 1/3 |
| Focal Length mm | 4 |
| Iris Type | Manual Iris |
| Lens Mount | CS |
| F-Stop | 2.0 |
| Pinhole | Yes |
| Physical Specifications |
Dimensions mm: 34 (Dia) x 72.3 Weight g: 69.3 |