Lighting Units - Their Uses, Pros and Cons

I will be discussing lighting units, their uses and their pro's and con's. The ability to construct a well light set is relied upon the Director of Photography, and ranges from being used for dramatic intensity or just softening a room. Unlike human eyes, sets need some adjustments to keep up with lighting balance. A good knowledge on differing colour temperatures and what gels can provide for a scene.
INTERIOR LIGHTING EQUIPMENT
A lighting fixture, or better related to as a Lighting UNIT is basically what we refer to the globe or bulb. They are identified by type and power consumption. The brightness of a bulb is referred to as the Wattage, which is a reflection of its power consumption.
The intensity of light decreases the further from the subject it is - know to us as Falloff. Falloff is inversely proportional to the square of the distance e.g.
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