Genie SSAHD2B : AHD 2MP Stainless Steel Bullet Camera
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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Genie SSAHD2B AHD 2MP Stainless Steel Bullet Camera
The Genie SSAHD2B is a rugged 2MP HD analogue bullet camera designed for demanding CCTV environments where corrosion resistance and durability are important. Its AISI 316L stainless steel body makes it particularly suitable for marine, coastal, industrial and food-processing applications.
It features a 1/2.8" Sony Starvis CMOS sensor delivering Full HD 1080p video, together with a 3.6mm fixed megapixel lens and true day/night operation with an ICR filter. The camera supports AHD, TVI, CVI and standard analogue CVBS video outputs, making it suitable for a wide range of compatible DVR systems.
With 24 infrared LEDs, 3D digital noise reduction, digital WDR and an IP67 weather-resistant rating, the SSAHD2B is built for reliable 24-hour surveillance in challenging indoor and outdoor locations.
Key Features:
- 2MP Full HD 1080p resolution
- 1/2.8" Sony Starvis CMOS image sensor
- 3.6mm fixed megapixel lens
- AISI 316L stainless steel construction
- Suitable for harsh, coastal and marine environments
- Supports AHD, TVI, CVI and analogue CVBS
- 24 infrared LEDs
- True day/night with ICR
- 3D DNR digital noise reduction
- D-WDR digital wide dynamic range
- Motion detection support
- 4 privacy mask areas
- IP67 weather-resistant rating
- 12V DC power input
- Maximum power consumption: 4W
- Operating temperature: -10°C to 50°C
- Dimensions: 58 x 126 x 104mm
- NDAA compliant
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