JB/T 7473-2014Camera Lens - Resolution Test Pattern (English PDF)

JB/T 7473-2014 is the English-translated version of 照相镜头 分辨率测试图.

JB/T 7473-2014 is a recommended Chinese machinery industry standard for the resolution test charts used with photographic lenses. It gives the technical requirements for the test chart, the methods by which the chart is tested, and the rules for marking and packaging. The chart is intended for the integrated measurement of the resolving power of photographic camera lenses. GB/T 321-2005 is the document it quotes. It sits under Chinese classification N43 and ICS 37.040.10, and it replaces JB/T 7473-1994. Issued on 6 May 2014, it has applied since 1 October 2014.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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