This standard specifies the applicable range, specifications, dimensions and light reflection coefficient of reflective TV circle test chart. This standard test chart is mainly used to observe the horizontal and vertical resolution of the TV camera system and check the two-dimensional spatial frequency characteristics of the TV camera components.
GB/T 13170.11-1991 history
2011GB/T 13170-2011 Test charts of reflection for television
1991GB/T 13170.11-1991 Test charts of reflection for television.Circular zone test chart
GB/T 13170.11-1991 Test charts of reflection for television.Circular zone test chart was changed to GB/T 13170-2011 Test charts of reflection for television.