Changes related to "Apochromat"

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Show new changes starting from 13:35, 28 November 2014
   
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28 November 2014

  • (diff | hist) . . F-number‎; 13:25 . . (0). .Imaginatorium (talk | contribs)(Yes, but 2.8 is an approximation of 2.root(2), so the more accurate figure is 3.1735 which rounds to 3.2)
  • (diff | hist) . . F-number‎; 06:10 . . (0). .206.174.70.48 (talk)(Typical one-third-stop f-number scale: Changed value of one-third stop sequence from 3.2 to 3.1 for one-third step above f/2.8, i.e., 2.8 x 1.122 = 3.1416 (rounded to 3.1). One-third stop sequences are related by a factor of 1.122.)

27 November 2014

26 November 2014

25 November 2014

24 November 2014

21 November 2014