Colour Temperature

Colour temperature is measured in

• Celsius

• Fahrenheit

• Millibars

• Kelvin

the Kelvin temperature scale was developed by

• William Thomson

• Thomas Williamson

• Will Tomkins

• Tom Wilkins

Answer explanation

Belfast born William Thomson (1824-1907) also known as Lord Kelvin, he was a mathematician, mathematical physicist and an engineer.

A tungsten light bulb is approx

• 200 Kelvin

• 300 Kelvin

• 6000 Kelvin

• 3200 Kelvin

Sunset is approx

• 1000 - 1500 Kelvin

• 1500-2500 Kelvin

• 3000-4000 Kelvin

• 5000-6000 Kelvin

Daylight is approximately

• 15,000 Kelvin

• 1,500 Kelvin

• 56,000 Kelvin

• 5,600 Kelvin

Which of the following lamps might be found on Film/TV studio set

• Green Head

• Red Head

• White Head

• Black Head

Answer explanation

A digital video camera should be white balanced..

• when moving from interior to exterior

• at regular intervals in natural daylight

• when you first set up a camera

• to set the correct colour temperature

The Sony EX1 has three white balance settings

• L,M,H

• 1,2,3

• A,B, PRST

• T,W, PRST

Answer explanation

PRST on Video Cameras is an abbreviation for

• Photo Site

• Play Reset

• Pause Start

• Preset

Which of the following best describes how to carry out white balance on a HD video Camera

• open iris fully and point at a light

• apply white balance settings

• apply appropriate white balance settings

• apply white balance setting for lighting condition, zoom in on white surface and execute