User contributions
- 01:09, 20 October 2017 (diff | hist) . . (-17) . . m User:KelliRuzicka2 (current)
- 17:53, 18 October 2017 (diff | hist) . . (-8) . . m User:KelliRuzicka2
- 13:46, 18 October 2017 (diff | hist) . . (-70) . . m User:KelliRuzicka2
- 16:05, 17 October 2017 (diff | hist) . . (+1,990) . . N User:KelliRuzicka2 (Created page with "What is an achromatic lens?<br><br>An achromatic lens or Achromat is a lens that's created with the goal of limiting the effects of lens(chromatic and spherical) aberration. A...")
