====== DOF (Depth of Field) ======

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A Simple Guide to Depth of Field %%**%%
  * depth of field explained
  * ways to achieve it
    - distance to subject 
    - focal length 
      * 24mm vs. 50mm vs. 300mm
    - manipulating the hole of the lens (aka iris) -- aperture or f stop
      * F-stop f1.4 . . . . f32
      * larger aperture . . . . . smaller aperture
      * wider . . . . narrower
      * small dof . . . . . wide dof

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Depth of Field