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- 00:14, 19 October 2017 (diff | hist) . . (-65) . . m User:MarleneI00 (current)
- 13:07, 18 October 2017 (diff | hist) . . (+1,997) . . N User:MarleneI00 (Created page with "What is an achromatic lens?<br><br>An achromatic lens or Achromat is a lens that is created for the purpose of limiting the consequences of lens(chromatic and spherical) aberr...")