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Location Lighting for Television by Alan Bermingham

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18

Expanding the Basics

18.1   Lighting for Subject Movement – Basics

There is often a need to light artistes moving in vision within the area of action. There are occasions when it is quite natural for artistes to go in and out of lit areas, for example in drama action at night, but many applications require the lighting levels to be maintained during an artiste’s move. The main problem is, of course, the basic inverse square law, resulting in the artiste getting more illuminance as they move towards a keylight. There are a number of techniques, which may be applied to avoid noticeable illuminance changes:

  • stopping down the lens as the artiste gets more brightly lit
  • dim the keylight as the artiste walks towards it
  • use a spotted luminaire ( ...

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