Filmmaking Terms | Production (On Set) | Camera & Lighting | Part 2

lighting = the manipulation of light to illuminate subjects and create a desired mood or effect.

key light = the primary and strongest light source illuminating the subject.
fill light = a secondary light source used to soften shadows created by the key light.
backlight = a light source placed behind the subject, creating a rim of light around them to separate them from the background.
three-point lighting = a standard lighting setup using a key light, fill light, and backlight to illuminate a subject.
gaffer = the chief electrician on a film set, responsible for the lighting plan and execution.
best boy = the assistant to the gaffer (best boy electric) or key grip (best boy grip).
grip = a technician responsible for setting up and maintaining lighting and rigging equipment.
reflector = a device used to bounce or redirect light onto a subject.
diffuser = a material used to soften and spread light, reducing harsh shadows.
gel = a colored, transparent sheet placed in front of a light source to change the color of the light.
barn doors = adjustable flaps on a light fixture used to control the spread of light.
flag = an opaque piece of material used to block light from hitting a specific area.
c-stand = a versatile stand used to hold flags, diffusers, lights, and other grip equipment.
dolly = a wheeled cart or device used to create smooth, tracking camera movements.
crane = a large mechanical arm used to achieve high-angle and sweeping camera movements.
steadicam = a camera stabilizing system that allows the operator to move smoothly while the camera remains stable.
tripod = a three-legged stand used to provide stable support for a camera.
fluid head = a type of tripod head designed for smooth panning and tilting movements.

See also
Camera & Lighting | Part 1