User contributions
- 22:44, 18 October 2017 (diff | hist) . . (-15) . . m User:LucyForman3226 (current)
- 10:35, 18 October 2017 (diff | hist) . . (-170) . . m User:LucyForman3226
- 19:18, 17 October 2017 (diff | hist) . . (+2,085) . . N User:LucyForman3226 (Created page with "What is an achromatic lens?<br><br>An achromatic lens or Achromat is a lens that is created with the goal of restricting the consequences of lens(chromatic and spherical) aber...")
