This standard specifies the scope of application, specifications, dimensions and light reflection coefficients of reflective TV area test charts. This standard test chart is mainly used for black-and-white and color TV camera systems to check the shading effect, and to measure the location of defects in the images of camera devices.
GB/T 13170.13-1991 history
2011GB/T 13170-2011 Test charts of reflection for television
1991GB/T 13170.13-1991 Test charts of reflection for television.Area test chart
GB/T 13170.13-1991 Test charts of reflection for television.Area test chart was changed to GB/T 13170-2011 Test charts of reflection for television.