Revision history of "User:Patti31I520319"

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  • (cur | prev) 02:00, 19 October 2017‎ Patti31I520319 (talk | contribs)‎ . . (1,993 bytes) (+1,993)‎ . . (Created page with "What is an achromatic lens?<br><br>An achromatic lens or Achromat is a lens that is produced with the goal of limiting the effects of lens(chromatic and spherical) aberration....")
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