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182                    The “Recording” (Camera icon) Menu Settings


                   Cloudy  –  the  light  in
                   open  shade  is  kind  of
                   like  light  on  a  cloudy
           day,  but  not  quite  as  blue.    This
           setting adds just a touch of yellow
           to the picture to compensate.

                   Incandescent  –  another
                   word  for  “Tungsten”
                   (which in turn is another
           word  for  “old  fashioned  light
           bulb”).    Incandescent  bulbs  give
           light  that  is  predominantly  red-
           orange (see Figure 5-38).  Setting
           the camera to Incandescent mode
           lends  a compensating  bluish  cast
           to the image.
                   Fluorescent      (Four   Figure  5-39:  An  open-shade  portrait
                   settings) – There used to   taking using the Daylight setting (top)
                   be  only  one  type  of   and the Shade setting (bottom),  which
           fluorescent bulb: the long, tubular   blindly adds a lot of yellow.
           lights that have graced the inside
           of  office  buildings  for  decades.    But  in  the  past  few  years  the  Compact
           Fluorescent type bulbs (which are designed to be screw-in replacements for
           incandescent light bulbs) have become very popular.  When they first came
           out their color balances were horrid – and the bulb had to stay on for 10
           minutes before that color became stable.
           CF bulbs today are much improved and have standardized (sort of) on color
           balances across manufacturers.  And so the first three fluorescent settings
           (“Warm  White”,  “Cool  White”,  and  “Day  White”)  were  designed  to
           compensate for these CF bulbs, whereas the fourth setting, “Daylight”, was
           designed  for  the  old-fashioned  long-tube  fluorescent  light.    (In  my
           experience, the light spectrum from fluorescent lights varies considerably
           across manufacturers, and so the pre-set WB settings for fluorescent lights
           are never great out of the box.  The next section shows how to tweak it, but
           read  ahead  to  the  “Custom  WB”  function  for  a  faster  and  more  precise
           method of correcting the color balance.)




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