详细说明
DNP（日本）进口影像检测卡EIAJ test chart J
| 商品名称 | 厂商 | 型号 |
| EIAJ test chart J | DNP(日本) | 4: 3 types |
详细介绍
Reflectance ratio or transmissivity of the black part 3%, or less in the white part makes 80% or more.
As for the central white part in the square of 3/10h, as for central position it matches the center of the test chart.
一个3/10h的方形白色图作为测试图的中心位置。