Chapter 12 Lighting Sources Flashcards
(18 cards)
What is the primary function of a Director of Photography (DP) regarding lighting?
Ordering the right lighting equipment for the job and using it appropriately
A great deal of time can be wasted by using inappropriate light or grip equipment.
List five types of lighting equipment.
- HMI
- Fluorescents
- Xenons
- LED
- Tungsten
What does the Color Rendering Index (CRI) measure?
The ability for a light to reproduce its subjects’ true colors compared to a natural light source
Measured on a scale of 0-100.
What CRI value is considered necessary for film and video work?
90 or above
How much more light do HMI units generate compared to tungsten lights?
Up to 3 or 4 times more light
What is a requirement for HMI units to prevent overload?
Use of ballasts and header cables
What are the wattage options available for HMI units?
- 18k
- 12k
- 4k
- 2.5k
- 1.2k-200 watts
What is a notable feature of Xenon lights?
They come with a parabolic reflector for a great spread or extremely sharp spotlight.
What type of lighting applications are LEDs best suited for?
Special effect lighting and battery-powered handheld and camera mount situations
What is the maximum wattage for a Fresnel light?
20k watts
What are the different types of 10k tungsten lights?
- Baby 10k
- Basic 10k
- Studio 10k
- Big eye Tenners
Fill in the blank: A _______ is a 2k light used mainly to bring up a single subject.
Junior (aka ‘deuce’)
What wattage is a Tweenie light?
650w
What are Soft Lights characterized by?
1000k to 1500k watt bulbs directed into a clamshell to create random light patterns.
What are Softsun lights known for?
They have no warm-up time and can be dimmed without changing temperature.
List three types of broad light sources.
- Cycs
- Strips
- Nooks
What are Balloon lights used for?
Exterior night scenes, easy to hide but less reliable with wind and elements.
What are hand units in lighting?
Everyday flashlights and lanterns used for effects or simple lighting.
