This standard specifies the application range, specifications, dimensions and optical density of high-resolution test charts for transmissive televisions. This test chart is mainly used for the TV camera system to test the resolution and standard modulation of the camera device under the condition of narrow passband, and it can also be used to correct the focus and astigmatism of the electron beam.
GB/T 6996.5-1986 history
2012GB/T 6996-2012 Test charts of transparencies for television
1986GB/T 6996.5-1986 High resolution test chart of transparencies for television
GB/T 6996.5-1986 High resolution test chart of transparencies for television was changed to GB/T 6996-2012 Test charts of transparencies for television.