CCTV Camera picture quality - What does Mp & Tvl resolution mean?
Friday, 16 April 2021 | Admin
What is Mega pixel (Mp) and Tvl on CCTV Cameras?
Tvl or Television line is the old system for measuring camera quality, it is the number of lines running up (or down) a tv screen to create a picture on analogue or tube televisions. Cameras using tvl reached a maximum of 1000 Tvl and were analogue, these cameras have not been produced in over 5 years.
So for camera image quality
8 Mp (8 Mega pixel) Resolution, also known as Ultra Hd, 4K - these cctv cameras would be your highest specification cctv camera on the market. They offer a crystal clear quality image with outstanding digital zoom. All 8Mp cameras have a downwards resolution function and so the output resolution of these cameras can be lowered or reduced to 8Mp / 3K, 3Mp, 1080p, 720p or even analogue to accommodate an older or lower resolution dvr recorder.
5 Mp (5 Mega pixel) Resolution, also known as 3K Resolution - these cctv cameras would be your current entry level cctv, however they offer a very high quality image with excellent digital zoom. All 5Mp cameras have a downwards resolution function and so the output resolution of these cameras can be lowered or reduced to 3Mp, 1080p, 720p or even analogue to accommodate an older or lower resolution dvr recorder.
4Mp (3.7Mega pixel) - these cctv cameras were only made for a short time as chip manufacturers Hisilicon & fulhan progressed to 5Mp shorty after these were developed and production of the 4Mp chips stopped.
1080p+ is 3 Mega Pixel (3Mp) - these cctv cameras have not been made in 2 years
1080p is 2.3 Mega Pixel (2.3Mp) - these cctv cameras have not been made in 3 years
1080n is 2 Mega Pixel (2.0Mp) – These cctv cameras are slightly below 1080p quality, in fact they are 960p. These cameras were only produced for a short time and have not been made in 4 years
720p cctv camera would be 1.3 Mega Pixel (1Mp) - these cctv cameras have not been made in 4 years
1000Tvl cctv camera would be 0.75 Mp, although an old camera these cameras were able to plug directly into a tube tv and produce an image on the tv’s through the av channel / port.