

Aperture of the pin-hole lens is small, so it is possible to monitor from a hole in the wall or ceiling. Also, it is possible to monitor unnoticed.
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| Focal length(mm) | 4.0 |
|---|---|
| Iris range(F) | 2.0-Close |
| Iris type | manual |
| Mount | C |
| CCD size | 1/2 |
| Remarks | Right-angle type |
| Model | Focal length (mm) |
Iris range (F) |
Iris type | Mount | CCD size |
Remarks | |
|---|---|---|---|---|---|---|---|
| HTCH0420HI | 4.0 | 2.0-Close | manual | C | 1/2 | Straight type | |
| HTCH0420H | 4.0 | 2.0-Close | manual | C | 1/2 | Right-angle type | |
| HTCD0420HIJ | 4.0 | 2.0-360 | direct drive | C | 1/2 | Straight type | |
| HTCH0620-2HI | 6.0 | 2.0-Close | manual | C | 1/2 | Straight type | |
| HTCH0620-2H | 6.0 | 2.0-Close | manual | C | 1/2 | Right-angle type | |
| HTCD0620-2HIJ | 6.0 | 2.0-360 | direct drive | C | 1/2 | Straight type |