Haydon HAY-BNCT-M-2F RG59 BNC T Adapter Male to 2 Female – 75 Ohm CCTV Video Splitter Connector – 10 Pack
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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Haydon HAY-BNCT-M-2F RG59 BNC T Adapter Male to 2 Female – 75 Ohm CCTV Video Splitter Connector – 10 Pack
The Haydon HAY-BNCT-M-2F RG59 BNC T Adapter is a professional-grade 75 Ohm BNC splitter designed to convert a single male BNC connection into two female BNC outputs. Engineered for CCTV, analogue video and broadcast applications, it provides a simple and reliable solution for splitting or distributing video signals between compatible devices.
Manufactured with a durable nickel-plated metal body and copper contacts, this BNC T-piece delivers dependable signal transmission whilst maintaining a secure connection for professional surveillance installations. The standard BNC bayonet locking mechanism allows quick installation and removal, making it ideal for system testing, temporary monitoring setups and permanent CCTV installations.
Compatible with RG59 75 Ohm coaxial cable systems, the adapter is suitable for connecting cameras, DVRs, monitors, video test equipment and other BNC-compatible devices. Its compact T-shaped design helps simplify cable management without requiring additional wiring or complex installation.
KEY FEATURES
- Professional RG59 BNC T-piece adapter
- One male BNC connector to two female BNC connectors
- Designed for 75 Ohm CCTV and video applications
- Suitable for analogue video signal distribution
- Durable nickel-plated metal construction
- Copper contact pins for dependable conductivity
- Standard BNC bayonet locking connection
- Compatible with RG59 coaxial cable systems
- Ideal for CCTV cameras, DVRs and video monitors
- Quick plug-and-play installation
- Suitable for permanent or temporary installations
- Compact T-shaped design for efficient cable management
- Perfect for system expansion, maintenance and testing
- Reliable signal transmission for professional surveillance systems
- Supplied in a pack of 10 adapters
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