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- 14:54 19 oct 2017 (dif | hist) . . (+141) . . m Things To Consider When Purchasing A Lens Design
- 14:54 19 oct 2017 (dif | hist) . . (-84) . . m Usuario:AbbieGibbs64674 (edición actual)
- 21:30 18 oct 2017 (dif | hist) . . (+2008) . . N Usuario:AbbieGibbs64674 (Página creada con «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) ab...»)