User contributions
- 15:25, 19 October 2017 (diff | hist) . . (+29) . . m User:DominicBeckham3 (current)
- 18:17, 18 October 2017 (diff | hist) . . (-128) . . m User:DominicBeckham3
- 14:49, 17 October 2017 (diff | hist) . . (+2,005) . . N User:DominicBeckham3 (Created page with "What is an achromatic lens?<br><br>An achromatic lens or Achromat is a lens that's produced with the goal of restricting the consequences of lens(chromatic and spherical) aber...")
