User contributions
- 03:32, 19 October 2017 (diff | hist) . . (-205) . . m User:ArdisBottomley5 (current)
- 20:19, 18 October 2017 (diff | hist) . . (+2,097) . . N User:ArdisBottomley5 (Created page with "What's an achromatic lens?<br><br>An achromatic lens or Achromat is a lens that's created for the purpose of limiting the consequences of lens(chromatic and spherical) aberrat...")