 |
| |||
| optical target; optical test target; target; test chart; test target | |||
| resolving-power test target; test target; resolution target; line target; resolution test chart; bar-chart resolution test target; bar target (for lens evaluation) | |||
| proof plate | |||
| Testtafel: 6 phrases in 1 subject |
| Optics branch of physics | 6 |