What does TVL mean on security cameras?
What does TVL mean on security cameras?
TV Lines
In CCTV cameras, resolution is measured in TV Lines (TVL). A higher number of TVL means that a camera will be able to render images with more detail. However, TVL is not the sole factor that determines the quality of the final output.
How many TVL is 1080P?
Security cameras – megapixel vs TV lines
Device | TVL/Pixel | Effective Pixel NTSC |
---|---|---|
IP Camera and NVR | 960P | 1280*960 |
1080P | 1920*1080 | |
3MP | 2048×1536 | |
5MP | 2592×1920 |
How many TVL is 960H?
700 TVL
A 960H DVR, which records at 960 x 480, is best paired with a 700 TVL camera (976 x 582 resolution).
Is 700 TVL good?
Since 960H’s horizontal resolution is 960 x 480, you’re going to get the best results from a 700 TVL camera (a 700 TVL camera has an effective resolution of 976 x 582). Standard Definition is quickly becoming legacy technology and HD is coming way down in price.
What resolution is 1200 TVL?
1280×1024
They are better in every way delivering a stunning 1200 TVL Resolution (1280×1024) that captures crystal clear video day or night.
What resolution is 1000 TVL?
1280×960 pixels
The greater the number of TVL or pixels, the better the resolution. One of the biggest flaws of current analog technology is that the highest analog recording resolution is 960H (960×480), or 960 horizontal lines, but 1000 TVL cameras typically have 1280×960 pixels, or 1280 horizontal lines.
What resolution is 400 TVL?
Definition. TVL is defined as the maximum number of alternating light and dark vertical lines that can be resolved per picture height. A resolution of 400 TVL means that 200 distinct dark vertical lines and 200 distinct white vertical lines can be counted over a horizontal span equal to the height of the picture.
Which is better 600 TVL or 700 TVL?
The 600 TVL analog camera is able to produce more detail in both our subjects face and test chart than the 700 TVL camera, looking sharper overall. Performance relative to the 960H camera is close, though line 5 of the test chart is partly legible in the 960H model, while some characters in line 4 in the 600 TVL cameras are difficult to discern.
What does 700tvl mean on a HD monitor?
TVL refers the horizontal pixels on your monitor. HD resolutions measure the vertical pixels. This chart is used to test the resolution of TVL cameras. Most 700TVL cameras can only decipher up to 525 TV Lines.
What is the resolution of a 700 TVL camera?
Since 960H’s horizontal resolution is 960 x 480, you’re going to get the best results from a 700 TVL camera (a 700 TVL camera has an effective resolution of 976 x 582). Standard Definition is quickly becoming legacy technology and HD is coming way down in price.
Can a 1000 TVL camera record 720 TV?
Even if you have 1000 TVL image sensor in the camera, you can’t cram more than 720 TV Lines down the cable and into your IP Camera DVR. Companies selling 1000 TVL cameras are trying to charge you for quality you can’t record. Resolution is the most important thing about your system.