| Make | Avenir |
|---|---|
| Manufacturer | Seiko Optical Corp |
| Model code | TTSD0420HI |
| Lens Format inches | 1/3 inch |
| Focal Length mm | 4 mm focal length |
| Iris Type | Auto Iris |
| Lens Mount | CS mount |
| F-Stop | 2.0 F-stop |
| Direct Drive | Yes |
| Pinhole | Yes |
| Physical Specifications |
Dimensions mm: 17 (Dia) x 72.3 Weight g: 109.5 |