One of the more important realizations in learning about
lighting is that lighting is not necessarily the art of
adding light to a scene. Instead, as Tom LeTourneau so aptly
put it in his book, Lighting Techniques For Video
Production, lighting is "the art of Casting Shadows". For
some of you, that may be a radical statement. I myself spent
years trying to eliminate ugly shadows in my scenes,
typically by adding more and more lights.
But, stop and think about it. In movies and TV shows,
frequently its the depth and placement of shadows that make
the lighting so dynamic and evocative. Shadows, from subtle
to dark, help give a scene 3 dimensionality and help
establish the mood of the scene. Shadows can also establish
the time of day, hide or accentuate features of the set or
actors, and suggest set elements, such as windows, which
don't really exist. So, an important element toward creating
better lighting is to start to look at lights as not only
sources of illumination, but also as shadow generators.
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This also leads us to a valuable skill that is important
to develop-the ability to SEE how light and shadows fall on
objects and people around us, and in the scenes that we
shoot. You have to make a concerted effort to look past
everything else and concentrate on the subtleties of color,
shadow, and highlights which are created through lighting.
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For example, notice how the light from a window falls on
objects in a room. Objects near the window are strongly lit
on the side facing the window, with details accentuated by
highlights, while the opposite side of the objects are
darker and less defined. Also observe how the wall opposite
the window softly reflects light back into the room helping
to illuminate the side of the subjects away from the window.
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