光学系统像质测试 EIAJ test chart A (ITE resoluti

EIAJ test chart A (ITE resolution chart)

详细介绍

1. This test chart has become identical standard with the resolution chart of ITE standard.

2. (1) resolution

(2) streaking

(3) linking

(4) interlaced scanning

(5) shading

(6) linearity of scan

(7) Aspect ratio of scan

(8) the alignment

(9) you can appraise gradation.

（1）分辨率。

（2）条纹

（3）连接

（4）隔行扫描。

（5）着色

（6）线性扫描。

（7）纵横扫描的比率。

（8）对准

（9）你可以评价等级。

3. Transmissivity or reflectance ratio of the main part is shown below.

(1) transmissivity of white inside great circle or reflectance ratio 60% or more

(2) transmissivity or reflectance ratio 40 5% of background outside±great circle

(3) referring to transmissivity or reflectance ratio of the grey scale the below-mentioned chart

Step number 1 2 3 4 5 6 7 8 9 10 Transmissivity or

Reflectance ratio 60% or more 60.0% 41.7% 28.2% 19.5% 13.5% 9.3% 6.3% 4.4% 3.0%