Introduction to Siemens Star resolution test card with grid

The resolution test card YE0133 consists of a Siemens star with 36 sectors, with vertical and horizontal grids arranged at the edges of the test card. The grid has a resolution of 0.625Lp/mm at the top right and bottom left, and a resolution of 1.25Lp/mm at the top left and bottom right.

The test card is placed on photographic paper with super sensitivity level. Photographic paper has a self-adhesive film. In addition, the test card is fixed on a 2mm thick card. This test grid provides a basis for the quality inspection of optical system graphics for cameras, lenses, microfilms, and magnifying devices.