User contributions
- 20:28, 19 October 2017 (diff | hist) . . (+34) . . m User:VanceAppleroth4 (current)
- 02:30, 19 October 2017 (diff | hist) . . (-29) . . m User:VanceAppleroth4
- 21:43, 18 October 2017 (diff | hist) . . (-26) . . m User:VanceAppleroth4
- 17:51, 18 October 2017 (diff | hist) . . (-137) . . m User:VanceAppleroth4
- 19:36, 17 October 2017 (diff | hist) . . (+2,082) . . N User:VanceAppleroth4 (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 limiting the consequences of lens(chromatic and spherical) aberrat...")
