User contributions
- 02:08, 19 October 2017 (diff | hist) . . (+42) . . m User:ElizaSparkes (current)
- 21:54, 18 October 2017 (diff | hist) . . (-9) . . m User:ElizaSparkes
- 18:23, 18 October 2017 (diff | hist) . . (+18) . . m User:ElizaSparkes
- 13:46, 18 October 2017 (diff | hist) . . (-195) . . m User:ElizaSparkes
- 16:40, 17 October 2017 (diff | hist) . . (+2,077) . . N User:ElizaSparkes (Created page with "What is an achromatic lens?<br><br>An achromatic lens or Achromat is a lens that is created for the purpose of restricting the effects of lens(chromatic and spherical) aberrat...")
