AXIS 14.1mm F2.0 IR Lens (03140-001), Fixed IR-Corrected Surveillance Lens
Unless selecting a vari-focal camera (with an adjustable lens) It is important to select the correct camera lens option for where the camera is to be positioned. A smaller lens will give you a wider angle but will be "zoomed out more", while a bigger lens will narrow the angle down and "zoom in more". See below to give you some idea on angles of Megapixel HD Cameras:
| Lens in mm | Approx Viewing Angle (degrees) | Ideal Distance (metres) | Typical usage/notes |
|---|---|---|---|
| 2.8 | 106 | <6 | For seeing as much of the immediate area as possible such as above a doorway/low down/garage soffits (edges can appear slightly warped/distorted) - clearly "zoomed out" |
| 3.6/4 | 83-90 | <12 | A great general purpose option giving great coverage still in the corner of a room or higher up on second floor soffits with less distortion - more of a natural "zoom" |
| 6 | 56 | 6-20 | Narrows down the angle and zooms in to look past the immediate area a little to gain more detail - down a driveway for example from higher up |
| 12 | 24 | 20+ | Zooms in significantly more to look at a gate, entrance or adjascent building |
| 16 | 19 | 24+ | As above but more so |
The amount of hard drive space you require is dictated by how many cameras, as well as their resolution and frame rate settings. Finally you can often make your storage space last a lot longer by enabling motion detected recording rather than continuous, especially if there are long periods of no activity.
|
Resolution (Megapixels) |
Days of storage provided by 1TB per camera (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (50% motion- 15 frames per second) |
|---|---|---|---|
| 1 | 44 | 11 | 36 |
| 2 | 22 | 5 | 18 |
| 3 | 17 | 4 | 14 |
| 4 | 11 | 3 | 9 |
| 5 | 9 | 2 | 8 |
| 6 | 8 | 2 | 6 |
| 8 (4K) | 5 | 1 | 4 |
| 12 | 4 | 0.5 | 3 |
As a rule of thumb we recommend a minimum of 2 Terabytes per 4 x 2-4MP HD cameras, as this should give you 2 weeks to a month with a few adjustments on motion detected recording. You may only require the full 25 frames per second on certain cameras if things are fast moving.
(All of our hard drives come fitted and are CCTV specific from one of the major brands)
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AXIS14.1mm F2.0 IR Lens (03140-001) – Fixed IR-Corrected Surveillance Lens (4 Pack).
The AXIS 14.1mm F2.0 IR Lens (03140-001) is a professional-grade fixed surveillance lens designed to deliver sharp and stable imaging in both daylight and infrared night conditions. With its 14.1mm focal length and F2.0 aperture, it provides a narrow and focused field of view ideal for targeted monitoring such as entrances, corridors, and restricted zones.
The IR correction ensures consistent focus performance when switching between visible and infrared lighting, making it suitable for continuous 24/7 security applications. This set includes 4 lenses, making it suitable for multi-camera installations or maintenance stock.
Key Features:
14.1mm fixed focal length for focused surveillance
F2.0 aperture for improved low-light image performance
IR-corrected optics for day/night consistency
Narrow field of view for targeted monitoring
Designed for Uniview surveillance camera systems
High-quality optical glass construction
Stable imaging under mixed lighting conditions
Supplied in 4-piece pack for installations and replacements
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