What camera system resolution to choose
The resolution of camera systems is given in pixels (megapixels), i.e. in the number of individual points that make up the image. In the table below, we list the most common resolutions and their designations and the actual pixel value vertically and horizontally.
Resolution in megapixels | Resolution in pixels | Word designation | Numeric designation | Image aspect ratio |
1.0Mpx | 1080x960px | 1080N | 4:3 | |
1.0Mpx (1.3Mpx) | 1280x720px | HD | 720p | 16:9 (widescreen) |
2.0Mpx | 1920x1080px | FULL HD | 1080p | 16:9 (widescreen) |
3.0Mpx | 2048x1536px | QXGA | 4:3 | |
4.0Mpx | 2560x1440px | WQHD | 16:9 (widescreen) | |
5.0Mpx | 2592x1944px | 4:3 | ||
6.0Mpx | 3096x2080px | 16:9 (widescreen) | ||
8.0Mpx | 3840x2160px | UHD | 4K | 16:9 (widescreen) |
Camera Resolution Comparison
Because you often ask us what resolution to choose, we have prepared a series of tests and comparisons of individual resolutions by distance and also a comparison of lens differences. In the images below you can see the text of the car license plate size and face recognition with digital zoom at distances from 10 to 40m using a very wide lens with a focal length of 2.8mm and a 95° angle of view.
Example of 2.0mpx camera
Sample from a 4.0mpx camera
Sample of 8.0mpx camera
Differences in 2.0MP resolution when using a camera with a different (varifocal) lens
The image below shows beautifully the importance of choosing the right lens, or a camera with a varifocal lens even for lower resolutions. This way you can get a close-up shot of, for example, a license plate at a long distance.