| Name | Last modified | Size | Description | |
|---|---|---|---|---|
| Parent Directory | - | |||
| concaveprincipalaxis.png | 2026-02-09 15:50 | 5.8K | ||
| concavemirrorsketch.png | 2026-02-09 15:50 | 4.7K | ||
| concavemirrorfindcurve.png | 2026-02-09 15:50 | 95K | ||
| concavemirror.png | 2026-02-09 15:50 | 111K | ||
| concavefocus.png | 2026-02-09 15:50 | 6.0K | ||
| concavecentreofcurvecircle.png | 2026-02-09 15:50 | 14K | ||
| concavecentreofcurve.png | 2026-02-09 15:50 | 6.0K | ||
| bg4.jpg | 2026-02-09 15:50 | 46K | ||
| bg3.jpg | 2026-02-09 15:50 | 49K | ||
| bg2.jpg | 2026-02-09 15:50 | 39K | ||
| bg1.jpg | 2026-02-09 15:50 | 54K | ||
| allpositions.png | 2026-02-09 15:50 | 29K | ||