They normally quote two figures, the number of TVL and the IR range. This might be called the night time range. IR range is a largely made up number based around how far away from the camera Infra red light can be detected.
| 2.8mm lens | 1.5 metres |
|---|---|
| 6mm lens | 5 metres |
| 9mm lens | 6 metres |
| 12mm lens | 7 metres |
| 22mm lens | 12 metres |
What is the maximum range of CCTV camera?
The C-mount cameras come with a detachable lens, which allows users to change it to fit their needs. For instance, the standard CCTV camera lenses can only cover distances between 35 and 40 feet. With C-mount cameras one can use special lenses, which can cover distances beyond 40 feet.
How far can CCTV See?
Normally, you can learn the IR distance of security cameras from product specifications. For example, the battery-powered security camera Reolink Argus 2 can see up to 33ft in the dark and the infrared security camera Reolink RLC-410 can see up to 100ft at night.
How far can Dome cameras see?
So, how far can a dome camera see? Well, it depends on the three influencing factors of lens focal length, resolution, and placement. Verkada dome cameras can see in a range of 50-98 feet, presuming that their field of view is not physically impeded by anything.
What is IR distance?
The IR distance is the distance from the camera that the infra red LEDs can illuminate. It’s a largely useless number and you will never be able to identify someone at this distance. All cameras that have on board infra red illumination will illuminate objects at the identification distance for the lens fitted.
What is the range of outdoor security cameras?
between 250 and 450 feet
Wireless security cameras function best when there is a clear line of sight between the camera(s) and the receiver. If digital wireless cameras are outdoors and have a clear line of sight, they typically have a range between 250 and 450 feet. If located indoors, the range can be limited to 100 to 150 feet.
How far can a CCTV camera see at night?
Night vision cameras often use infrared technology to see clearly at night. This involves flooding an area with light that the human eye cannot see. This technology allows top quality night vision cameras to see for between 100ft and 200ft, helping you monitor your home day and night.
How far can a surveillance camera see at night?
between 30 and 40 feet
How far can a security camera see at night? This varies depending on the model of the camera and the technology it is using. Most cameras with infrared technology can see between 30 and 40 feet at night. High-end cameras that use advanced sensor technology can see up to 170 feet.
Do dome security cameras rotate?
Dome Camera Pros
A discreet design that blends in with the surrounding area. The rotating camera allows for viewing wide angles. It is hard to determine where the camera is facing due to the rotation and protective dome. They can be used indoors and outdoors.
How far can a 2.8 mm lens see?
At 2.8mm you will see an angle of view a little over 100°, but the identification distance will only be around 10 feet. At 12mm you will achieve around a 30° angle of view and identification at around 50 feet.
How far can a 4mm lens see?
the more narrower the lens, the focus is further away. Eg. typical 4mm lens is focus 4-10 metres. typically 2.8mm is 1-6 metres.
What is Dori distance CCTV?
DORI stands for Detect, Observe, Recognise, Identify. The DORI distance is a general proximity of distance which makes it easy to pinpoint the right camera for your needs.
How do you extend the range of a wireless security camera?
Wireless Security Tips: How To Extend Your Wi-Fi Range
- #1. Location of Your Router Matters.
- #2. Overcome Interference & Find the Right Wireless Channel.
- #3. Use Wi-Fi Extenders to Boost Your Range.
- #4. Make Sure Your Firmware is Up-to-Date.
- #5. Secure Your Wi-Fi Connection.
Which camera is better dome or bullet?
While bullet cameras are known for a longer range, dome cameras have the ability to offer a wider view angle.Both cameras will operate well in any location, however, the bullet camera will work better for a long-range video while the dome camera will work better for shorter distances but a wide-angle.
Does CCTV work in darkness?
Most CCTV cameras do operate in black and white during the night, and many security cameras adopt a monochrome filter during hours of darkness.Not only can infrared cameras see in conditions of total darkness, but they can also travel through smoke, dust and fog, capturing a clear image.
How do you know if a security camera is recording?
A distinct buzz may also be heard, and that means it is rotating. If the patrol or tour function is set up, it constantly moves, which means the camera is recording. In infrared security cameras, small red lights are seen around the lens of the camera when it is dark when it is on.
Are dome cameras 360?
This 360 degree dome camera is meant to be mounted on a ceiling or wall where it can truly make use of the incredible range of its fisheye lens to capture a wide view. The angle of view is a full 360 degrees, meaning one camera can easily cover a large scale area for general observation.
Can dome cameras move?
They usually come with a mounting handle and bracket, helping attach them to the wall. Once installed, they can be moved to cover any area you need them to. Dome cameras are generally a lot more work to install than a bullet camera.
What is the angle of a dome camera?
Because dome or turret cameras are usually installed indoors from the ceiling, they tend to have wider angles of view. In general, you almost always need to cover 90 degrees indoors and you don’t often need to narrow the FOV to get more distance.
Which is better 4mm or 2.8 mm?
Although it has more clarity at a further distance, the 4mm lens shows a similar scene to the 2.8mm. The main difference is the reduced angle of view which gives the illusion that objects are closer to the camera. A 4mm lens is useful for detection & identification.
How far can 8mm lens see?
A lens of 8 mm gives about 211 pixels per meter (PPM) and an image width (Field of view) of about 9 meters.
Contents