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The EIA 1956 Resolution Chart (until 1975 … The EIA 1956 Resolution Chart (until 1975 called RETMA Resolution Chart 1956) is a test card originally designed in 1956 to be used with black and white analogue TV systems, based on the previous (and very similar) RMA 1946 Resolution Chart. It consisted of a printed chart filmed by a TV camera and displayed on a TV screen. Inspecting the chart allowed to check for defects like ringing, geometric distortions, raster scan linearity, cathode-ray tube uniformity and lack of image resolution. If needed, a technician could used it to perform the necessary hardware adjustments. Today, this chart continues to be used to measure image resolution of modern cameras and lenses and also in scientific research.nd lenses and also in scientific research.
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The EIA 1956 Resolution Chart (until 1975 … The EIA 1956 Resolution Chart (until 1975 called RETMA Resolution Chart 1956) is a test card originally designed in 1956 to be used with black and white analogue TV systems, based on the previous (and very similar) RMA 1946 Resolution Chart. It consisted of a printed chart filmed by a TV camera and displayed on a TV screen. Inspecting the chart allowed to check for defects like ringing, geometric distortions, raster scan linearity, cathode-ray tube uniformity and lack of image resolution. If needed, a technician could used it to perform the necessary hardware adjustments.erform the necessary hardware adjustments.
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EIA 1956 resolution chart
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