The YE0120 test chart is designed for the adjustment of camera lenses and checking back focal distance. It shows a 36 sector Siemens star on a white background. ...
The YE0121 test chart is designed for the adjustment of camera lenses and checking back focal distance. It shows a 72 sector Siemens star on a white background. ...
The test chart consists of a blank film between two glass panes. The test chart is designed for shading measurement under the same lightning conditions as other transparency measur...