| lenses for cctv video camera systems |
| The lenses detailed here are compatible with all of our cameras. there are basically |
| three types of lens available, Fixed and manual iris, Auto iris and electronic iris. |
| Details of each type are shown below. |
 |
| Fixed & manual iris |
| These lenses are suitable only for situations where the level of light remains constant. The use of |
| a fixed iris lens in changing light conditions will give a bright picture with increased light conditions |
| and a dark picture when the level of light drops although manual iris lenses can be adjusted manually. |
| Order code | Lens type | Price £ | Price $ | |||
| FL206 | 2.6mm Fixed CS | 55.00 | 88.00 | |||
| FL4 | 4.0mm Fixed CS | 24.00 | 38.00 | |||
| FL8 | 8.0mm Fixed CS | 24.00 | 38.00 | |||
| FL12 | 12mm Fixed CS | 28.00 | 45.00 | |||
| FL16 | 16mm Fixed CS | 29.00 | 46.00 | |||
| ML25 | 25mm Manual C | 55.00 | 88.00 | |||
| ML50 | 50mm Manual C | 78.00 | 124.00 | |||
| VL8 | 3.5 - 8.0mm CS | 85.00 | 136.00 |
| Auto iris |
| These lenses feature an automatically adjusted iris. For situations where light changes occur. |
| frequently like in doorway's or by windows, the Iris adjusts automatically. |
| Order code | Lens type | Price £ | Price $ | |||
| AL26 | 2.6mm CS | 125.00 | 200.00 | |||
| AL4 | 4.0mm CS | 115.00 | 185.00 | |||
| AL8 | 8.0mm CS | 110.00 | 176.00 | |||
| AL12 | 12mm CS | 120.00 | 192.00 | |||
| AL16 | 16mm CS | 210.00 | 336.00 | |||
| AL25 | 25mm C | 235.00 | 376.00 | |||
| AL50 | 50mm C | 265.00 | 424.00 | |||
| AVL | 3.5 -8.0mm | 95.00 | 152.00 |
| Angles of view |
| The table below gives the horizontal angle of view of a lens used on a camera. |
| Lens | Angle | ||||
|---|---|---|---|---|---|
| 2.0mm | 122 | ||||
| 2.6mm | 98 | ||||
| 3.6mm | 78 | ||||
| 3.8mm | 75 | ||||
| 4.0mm | 64 | ||||
| 8.0mm | 35 | ||||
| 12.0mm | 22 | ||||
| 16mm | 17 | ||||
| 25.0mm | 11 | ||||
| 50mm | 5 | ||||
| 3.5 - 8mm | 85 - 35 |