镜头对焦测试卡

镜头对焦测试卡

品牌:Sine Image/ESSER爱莎
型号:YE0110/TE110
尺寸:可定制
材料:菲林/高清相纸
比例:4:3
类型:反射式/透射式可选
简介说明

镜头对焦测试卡简介

镜头对焦测试卡YE0110用于测试镜头的整体对焦,调整镜头,检查镜头各区后焦及分辨率。测试卡由9个扇形星组成,在图像各个区域均匀分布。扇形星的中间白色部分是外径的10%。在扇形星内有两个圆形线条,内层图形是一个625线的结构,较大圆线是312线结构。

The test chart consists of 9 sector stars, distributed equally over the picture area. The unresolved center of the sector star is 10% of its outer diameter. Within the sector stars are two circular lines. The inner one marks a 625 line structure, the larger circular line marks a structure of 312 lines.

 
The test chart is designed for

  • adjustment of camera lenses
  • checking back focal distance
  • checking resolution over the picture area