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品牌：sine patterns
enhanced digital camera resolution chart
based on iso-12233, the qa-77 has all of the original features as the qa-72 plus several new ones, such as; star sector target; 5° slant bar; 5° dark gray square for sfr analysis as well as a greater resolution range, from 100 - 4000 line width / pixel height and hyperbolic wedges.
 
高效的数码相机解析度卡
数码相机解析度卡是基于iso-12233标准卡出现的（13a/iso照相机解析度卡），它的特征扩充除了把他的应用价值从2000 1/ph挺高到4000 1/ph，而且与sfr评估方法相比较，他把误差降低了24％。它与sfr图像评估一样能与倾斜边缘分析工具软件一起运行。