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Rule of Thirds ≠ Golden Ratio or Golden Mean

Not E qual T o . Rule of Thirds ≠ Golden Ratio or Golden Mean. While the Golden Ratio has been and continues to be used in the world of art, it is not the same as the Rule of Thirds.

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Rule of Thirds ≠ Golden Ratio or Golden Mean

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  1. Not Equal To Rule of Thirds ≠ Golden Ratio or Golden Mean

  2. While the Golden Ratio has been and continues to be used in the world of art, it is not the same as the Rule of Thirds. The Golden Ratio is known by many names, The Golden Mean, The Golden Section, Phi, The Divine Section, The Divine Proportion, etc. It describes an aspect ratio X units by Y units where X is always 1 and Y is always 1.608339887 * X. The Rule of Thirds, on the other hand, addresses how to parcel out the described area of that space. Mona Lisa – Leonardo Da Vinci

  3. The Golden Mean / Golden Ratio Construction of the Golden Ratio: 1. Construct a unit square (red). 2. Draw a line from the midpoint of one side to an opposite corner. 3. Use that line as the radius to draw an arc that defines the long dimension of the rectangle. 1 1.6180339887 a + b a = = b a Drawing of Golden Ratio from Wikipedia.

  4. Rule of Thirds The Rule of Thirds takes the proportions of whatever space we allocate, (usually our viewfinder frame), and breaks it into three equal sections, horizontally and vertically to find pleasing insertion points for important image details.

  5. The Golden Mean / Golden Ratio Here one can see how the Golden Mean becomes the basis of a nautilus shell.

  6. The Golden Mean / Golden Ratio Here is where I erred during my presentation, in correcting the young lady who pointed out the Fibonacci Sequence. In fact, the Golden Ratio does illustrate that famous number sequence. My apologies. In it’s simplest form the Fibonacci Sequence spells out, beginning with 1, the sum of the previous two numbers. 1 2 3 5 8 13

  7. Sources: Wikipedia http://en.wikipedia.org/wiki/Golden_ratio Golden Number. Net http://goldennumber.net/ Phi: That Golden Number http://jwilson.coe.uga.edu/EMT669/Student.Folders/Frietag.Mark/Homepage/Goldenratio/goldenratio.html The Parthenon – Athens, Greece

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