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Lighting > Final > Flashcards

Final Flashcards

1
Q

Most common lens in light fixtures

A

Fresnel

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2
Q

What attribute of a tungsten light is the most commonly used identification descriptor?

A

Wattage

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3
Q

What is the most powerful type of Fresnel light available

A

18k HMI

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4
Q

What unit is described as the “Jeep of Lights”

A

2k

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5
Q

T or F

HMI Lights are extremely reliable and efficient

A

FALSE

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6
Q

T or F

A brute arc can be either daylight or tungsten balanced

A

True

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7
Q

T or F

Open faced lights are poorly suited to situations where bounce light is needed

A

True

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8
Q

T or F

The PAR light is basically a car headlight that comes in a variety of beam patterns and wattages

A

True

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9
Q

T or F

The MaxiBrute usually has 9 tungsten par bulbs and is a good low budget option when you need ‘tremendous punch’

A

True

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10
Q

T or F

The difference between the MaxiBrute and a FAY light is that the FAY is daylight balanced

A

True

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11
Q

T or F

HMI PARs are different from tungsten PARs in that the tungsten PARs have interchangeable lenses

A

False

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12
Q

T or F

The studio soft light has the advantage of being easy to transport

A

False

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13
Q

T or F

The leading manufacturer of fluorescent lights for film and video is not Kino Flo

A

False

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14
Q

T or F

Ordinary fluorescent bulbs do not have a continuous spectrum and have a heavy spike in the green area

A

True

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15
Q

T or F

It is generally acceptable to use lights with a CRI of above 80

A

False

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16
Q

T or F

Cyc lights are open-faced lights

A

True

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17
Q

T or F

A Musco is a small light sometimes used as a catch light

A

False

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18
Q

T or F

If you are needing a very directional light that can be cut into a specific shape, a “source four” is a good option

A

True

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19
Q

T or F

A roving light designed to run off of a battery belt is generically called a “sungun”

A

True

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20
Q

T/F

A scrim will diffuse the light, 1 stop for red, 1/2 stop for green

A

False

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21
Q

T/F

Bringing a light to set without scrims and barndoors is like wearing a T-shirt that says “I’m an amateur”

A

True

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22
Q

If you are shooting at ISO 6400, which ISO will make the sensor half as sensitive to light?

A

3200

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23
Q

If you have a shutter angle of 180 and a frame rate of 24fps, what will your shutter speed be? What is the closest approximation of this you can get on a DSLR?

A

___________

Stupid shutter angles

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24
Q

If you have a shutter angle of 90 and a frame rate of 300fps, what will your shutter speed be?

A

________

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25
Q

How many stops darker will a .6ND filter make your exposure?

A

2

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26
Q

If you are working with 80 footcandles of light, how many foot candles would you need to make your scene 1 stop brighter?

A

80 more

160 total

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27
Q

If you are filming at f4, which aperture will allow twice as much light to pass through the lens?

A

F2.8

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28
Q

F-stop sequence from 1-64

A

1 1.4 2 2.8 4 5.6 8 11 16 22 32 45 64

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29
Q

T/F

Directly frontal key lighting will flatten features and make the face look more round

A

True

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30
Q

two most common color balances

A

3200

______

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31
Q

2 most common ways to create separation between foreground and background

A

Light subject on dark background/dark subject on light background
Backlight

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32
Q

T/F

A

Lighting is one of the main tools you have to direct the viewers’ attention within your frame or scene

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33
Q

T/F

The author suggests that the tools at hand will determine whether or not you will be able to do good work

A

False

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34
Q

T/F

You will generally wait until the day of filming to get a sense for how you would like to approach the scene

A

False

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35
Q

T/F

The author feels that rehearsals are not that important for lighting a scene

A

False

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36
Q

Dead soldier

A

Extra lights set up and ready to use if needed

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37
Q

T/F

A fill light must always be a soft light on the shadow side of the camera

A

False

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38
Q

T/F

A hair light is a type of back light

A

True

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39
Q

T/F

A kicker and a rim light are the same thing

A

False

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40
Q

What are the two variables that control the hardness of a light

A

Distance

_________

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41
Q

T/F

Smoke will not have a diffusing effect on light

A

False

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42
Q

T/F

Scenes that have an overall sense of being brightly lit are said to be “low key”

A

False

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43
Q

T/F
Modulation is a term that is used to describe the effect of breaking light up, for example what happens when light goes through tree branches or blinds

A

True

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44
Q

DIT

A

__________

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45
Q

T/F

The author suggests that the waveform monitor is the “light meter” of video

A

True

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46
Q

Vector scope provides information on

A

Color

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47
Q

T/F

The author suggest that lighting for two camera is not that different than lighting for one

A

False

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48
Q

T/F

F8 means that the diameter of the opening in the iris is 1/8 of the focal length of the lens

A

True

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49
Q

T/F

Opening the aperture by two stops will double the amount of light passing through the lens

A

False

50
Q

T/F

Soft light sources fall off in brightness according to the inverse square law

A

False

51
Q

T/F

Once film has been exposed to light it is said to contain a “latent image”

A

True

52
Q

T/F
With color negative film areas of bright exposure are clear or transparent on the negative after the film has been developed

A

True

53
Q

T/F

F11 passes more light than f8

A

False

54
Q

What ISO is 1 stop more sensitive than 32?

A

64

55
Q

T/F

Gamma is the slope of the straight-line portion I of the characteristic curve and generally relates to contrast

A

True

56
Q

T/F
The presence of a toe and shoulder in a film’s characteristic curve mean that it does not have a linear response to light

A

True

57
Q

What percentage of light does a gray card reflect?

A

________%

58
Q

T/F
“Fall” describes what happens to the rest of the values in a scene once you have placed a certain element in the scene at a specific zone

A

True

59
Q

Incident light meter

A

Measures the light from the source

Ex. Metering the wall and having the proper exposure

60
Q

Reflected light meter

A

Measures light from the scene/subject

Ex. Metering someone’s face and receiving a reading

61
Q

T/F

The zone system works in terms of grayscale values and cannot be applied to color images

A

False

62
Q

T/F

In many cases the palm of your hand can be used as a quick reference for mid tone exposure value

A

True

63
Q

How many stops will .9ND compensate your exposure

A

3

64
Q

T/F

The colors that we perceive are a result of the ratios of the three primary colors that our eyes are sensitive to

A

True

65
Q

T/F

They Purkinje Effect is responsible for the convention that moonlight is blue in filmmaking

A

True

66
Q

T/F

Hue is the term that expresses the strength of the color

A

False

67
Q

T/F

Value is the term that expresses the bright/dark attribute of color

A

True

68
Q

T/F

On an additive color wheel, the color opposite green is yellow

A

False

69
Q

T/F
The law of simultaneous contrast states that when colors are next to each other, the difference between them is minimized

A

False

70
Q

T/F

Me tamarisk is the phenomenon of colors matching under one light source, but appearing different under another source

A

True

71
Q

The Kelvin system was named after

A

Lord Kelvin

72
Q

Color temperature tells us what we need to know about the green magenta balance of light

A

False

73
Q

T/F

Sources with a CRI of above 90 are considered appropriate for photographic purposes

A

True

74
Q

T/F

Mired values are used to calculate color corrections

A

True

75
Q

T/F

Full CTO and Full CTB have equivalent absolute tired values, but one is + and one is -

A

True

76
Q

T/F

When using HMI lights it is often helpful to have 1/8 and 1/4 minus green and CTO on hand

A

True

77
Q

Amps=___/___

A

Watts/volts

78
Q

Electrical tie-ins can be dangerous

A

True

79
Q

T/F

Three phase power is the most common type for household use

A

False

80
Q

T/F

Voltage is often compared to pressure in a water pipe

A

True

81
Q

T/F

Batteries are not used for film lighting

A

False

82
Q

How many paper amps would a 1000W light use

A

10

83
Q

T/F
One of the ways you can get a large supply of electricity is by connecting directly to the inside of a breaker panel, but only a qualified electrician should do this

A

True

84
Q

T/F

A bull switch is fused power switch for the mains

A

True

85
Q

T/F

Feeder cable is the high capacity cable that comes from the generator or mains

A

True

86
Q

T/F

A “lunch-box” is a unit that accepts feeder cable and outputs camlok

A

False

87
Q

T/F

The current on the neutral is equal to the sum of the difference between the load on the hot legs

A

True

Neutral should be 0

88
Q

T/F

Tungsten lights will run on DC if necessary

A

True

89
Q

T/F

When working in the rain it becomes less important to properly ground electrical equipment

A

False

90
Q

T/F

If a lighting control device is attached to the light, it is not part of the grips’ responsibility

A

True

91
Q

T/F

A reflector is more useful than a 2.5k HMI is on a sunny day

A

True

92
Q

When it is very windy, what should be done with reflectors when not in use

A

Lay them on the ground

93
Q

Branchaloris

A

When branches used as “cookies” or “dingles” enter the frame

94
Q

T/F

A net is like a flag, but instead of opaque black duvetyne, they are covered with bobbinet

A

True

95
Q

Which angle of tie down line is used in tying large frames down

A

Shallow angle

96
Q

T/F

When you order an overhead kit ‘complete’ it will come with a silk, a solid, a single net, and a double net

A

True

97
Q

When tying down large frames, what should you tie to

A

Heavy sandbags

Not permanent objects or the base of other stands

98
Q

T/F

Gobo arms have a grip head permanently attached to one end

A

True

99
Q

T/F

One of the advantages of a studded c-clamp is that it will not damage surfaces

A

False

100
Q

A baby plate mounted to a half apple box is called a

A

Pigeon

101
Q

T/F

A camera wedge is smaller than a standard wedge

A

True

102
Q

T/F

Apple boxes only come in two sizes, full and half

A

False

103
Q

Top decision maker on US shoots regarding lighting

A

DP

104
Q

Top decision maker on British shoots regarding lighting

A

Lighting Director

105
Q

Why should the G&E crew arrive on set early

A

To claim a good staging area
To prepare and organize equipment
To establish reputation as a dependable worker

106
Q

T/F

The DIT is part of the lighting crew

A

T/F

Member of the G&E crew will be expected to have a basic set of specialized tools to do their job

107
Q

T/F

For the G&E crew, establishing a well-planned cable path can be a critical part of a successful day

A

True

108
Q

Factors of exposure

A

Light
Lens
Shutter speed
Sensitivity

109
Q

Light (factor of exposure)

A

Existing light

Additional light

110
Q

Lens (factor of exposure)

A

Filtration

Aperture

111
Q

Shutter speed (factor of light)

A

Frame rate

Shutter angle

112
Q

Sensitivity (factor of light)

A

Gain

ISO/ASA

113
Q

Shutter angle

A

Contributes to the temporal aesthetic of your work and has to do with how cinematic your work looks

114
Q

Shutter speed

A

How long the camera allows light to come in before closing the shutter

115
Q

All about the HMI

A

Great for night exteriors (CTB) and day exteriors
Hard light
Efficient: 800 joker is as powerful as 2k
Daylight balanced
Requires ballast
Expensive

116
Q

Flag kit

A 
Single net
Double net
Duavtyne
Silk
Cookies (glue on/mesh)
117
Q

Pipe Example

A

Watts=water
Voltage=pressure
Ampacity=pipe size

118
Q

Grifflon

A

Heavy duty tarp-white on one side black on the other

Usually on the 6x6

119
Q

What is bouncing light the same as

A

Diffusing light

120
Q

What zone is the mid tone (gray)

Scale 0-10

A

5

121
Q

What zone is skin tone

A

5-7

122
Q

Additive color system

A

RGB

Lighting (1 decks)

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