User contributions
- 22:25, 18 October 2017 (diff | hist) . . (-102) . . m User:SheenaHawes6 (current)
- 20:00, 18 October 2017 (diff | hist) . . (+2,021) . . N User:SheenaHawes6 (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 effects of lens(chromatic and spherical) aberration....")