telescope-ray-diagra
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Draw a labelled ray diagram of a reflecting type telescope |
|
1 | 1077 | July 1, 2019 |
| Draw a labelled ray diagram of an astronomical telescope |
|
1 | 703 | June 21, 2019 |
| Draw a ray diagram of an astronomical telescope in the normal adjustment position |
|
1 | 2389 | June 18, 2019 |