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B&H glossary for Professional Video,
   

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Glossary for Lighting Terms
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R

Reflector

  1. Generally, anything that causes reflection.
  2. A metal or glass apparatus, usually curved in some manner, used in most luminaires for the purpose of directing light rays from a light source.
  3. In the film and video industries, a metallic or reflective fabric panel, used for bounce lighting, or simply to redirect light, with the light source being a luminaire or sunlight. They are available in a variety of sizes and shapes, and materials of varying reflectance.

Reflector Board
A reflector for the film and video industries made out of a solid, lightweight, metallic coated material. One side is usually mirror-like for hard light reflection, and the other side is diffused for bounce lighting.

Refraction
The bending of electromagnetic radiation, such as light or heat, as it passes obliquely from one medium to another of different density.

Reporter Light
A compact, lightweight, hand-held floodlight often used in conjunction with video cameras and often powered by batteries for portability.

Rim Light

  1. Back light that usually refers to illuminating objects, not persons.
  2. A luminaire that provides such illumination.

Rocky Mountain Leg
A height adjustable leg on a stand, usually a grip stand.

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