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IMAGE CONTROL

Because the human eye is more advanced than digital and film cameras, the white balance is the way to set your camera up to identify pure white. 

Colour Temperature

Kelvin Temperature Scale

Great lighting means as much to a film then good camerawork. Lighting is measured on the Kelvin scale (K). This is a measurement of temperature based on the absolute scale with starts at zero and them goes upwards.

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Electronic Press Kit Example

TYPES OF SET LIGHTING

TUNGSTEN 3200K                             HMI 5600K                             LED 3000-5600K                  fluorescent 2700-6500K               

Tungsten lights (3200K) 

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  • Produces an orange hue

  • Require a lot of power and can get hot

  • Dimmable

  • Used for lighting interiors

  • Add a blue gel to create daylight

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HMI (Hydrargyrum Medium-Arc Iodide) (5600K)

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  • Emits an ultraviolet light with a blue hue

  • Require an electrical ballast, which ignites the metal-halide gas and mercury vapor mix in the bulb

  • ballasts limit flickering by limiting current

  • ballast makes a loud sound when starting up, so the lighting technician shouts "striking"to warn cast and crew

  • expensive but efficient lights

  • Can be dimmed by 50%. 

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LED (Light Emitting Diodes) (3000-5600K)

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  • Manufactured in many colours but most popular is white

  • limited overall output so most popular on small sets

  • Diodes offer directional light

  • produce only a single wavelength of light, using red, green and blue (RGB) bulbs

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Fluorescent

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  • Produce an orange/green hue and flicker

  • newer bulbs come wth ballasts and are flicker free and offer multiple colour temperatures

  • Very soft light with output similar to hMI lights

  • Compact and lightweight

  • coolest bulb option

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