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.
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。
| Part No. QA-77-1-P-CG QA-77-1-P-OP QA-77-2-P-CG QA-77-2-P-OP QA-77-P-RM QA-77-3-P-RM QA-77-4-P-RM | Active Area 20 x 36mm (0.79 x 1.4in) 20 x 36mm (0.79 x 1.4in) 100 x 178mm (3.94 x 7in) 100 x 178mm (3.94 x 7in) 200 x 356mm (7.87 x 14in) 400 x 711mm (15.75 x 28in) 800 x 1422mm (31.5 x 56in) | Material Chrome on Glass OPal glass Chrome on Glass OPal glass Reflective Material Reflective Material Reflective Material |
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