Siemens star en · NOUN
Etymology
Developed in the 1930s by Siemens & Halske AG to test the lenses of their narrow-film cameras.
Meanings
- A radial, sunburst-like test target used to measure the resolution and image quality of optical instruments, cameras, scanners, and printers.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| Siemens stars | Number=Plur | lexicographic |