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This is not a course about lighting.
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We have another one
specifically about that.
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But we should briefly
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talk about some lighting considerations
when planning your shots,
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moving shots, or when the camera goes
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significantly up or down, presents
a whole set of challenges,
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especially when shooting exteriors
at night.
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The light sources need to be positioned
outside the shooting angles,
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and during the day,
the sunlight might need to be diffused.
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Using artificial lighting on a wide
angle shot
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often requires very bright lights.
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Light sources for closeups
should be easy to diffuse.
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Decreasing
or increasing our depth of field
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will affect the amount of light
reaching the sensor or film.
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For example, using a very wide aperture
to limit the depth of field
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will greatly increase the amount of light
reaching the sensor.
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Since our
ISO is generally set to the lowest
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possible setting on the camera
and we can't really use the shutter speed
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with the same flexibility
as when we are shooting stills,
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we need to add in in the filter neutral
density to achieve a proper exposure.
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And the
filters are designed to decrease the light
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reaching the sensor
in specific F stops increments.
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To illustrate the exact
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opposite situation,
we shot this nighttime abstract shot
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of a tram approaching the camera
with car headlights in the background,
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purposely adding flare and kinetic energy
to an otherwise
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steady take.
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This footage was captured
at the highest acceptable
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ISO on the camera somewhere around 6400
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in the widest aperture
on the lens around 1.8.
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Similar abstract shots could be created
from scratch using light shapers
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filters, specialty lenses, or translucent
objects in front of the lens.
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But when possible,
we try to use what we can find
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on each location.
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Lighting for closeups
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could be its own separate course,
as it totally depends on the story genre.
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The deepest technical knowledge
and the director's personal preferences.
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But it is generally desired
to catch some light on the actor's eyes
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as well as add some light
to separate subject from the background.
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In craft a more compelling look,
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close ups allow for a lot more fine
tuning as we can easily
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hide the light sources, something
that becomes increasingly harder.
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The wider we go, Lighting continuity
is another important consideration,
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especially when shooting over extended
periods of time or at different locations.
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The same applies when switching from long
shots to medium close ups, for example,
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when for a number of reasons, matching
white and tight shots is not possible.
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A simple trick is to make the angles
and shot sizes
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different enough
that the differences can be concealed.
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As you can see, the lighting strategy
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goes hand in hand with lens selection
in planning your shots.
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