User contributions
- 18:37, 18 October 2017 (diff | hist) . . (-178) . . m User:JeannineAnders (current)
- 14:26, 17 October 2017 (diff | hist) . . (+2,086) . . N User:JeannineAnders (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...")