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Cinema Arts I > Cinema Arts I > Flashcards

Cinema Arts I Flashcards

1
Q

Exposure

A

The amount of light hitting the sensor or film

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2
Q

3 factors that affect exposure

A

Intensity, time and sensitivity

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3
Q

Aperture

A

Hole created by the iris opening and closing

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4
Q

What does the aperture control

A

Light intensity

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5
Q

A larger aperture means

A

More light

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6
Q

A smaller aperture means

A

Less light

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7
Q

F-Stop

A

The size of the aperture. The smaller the f stop the larger the aperture (hole).

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8
Q

Depth of field

A

Range of focus in an image

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9
Q

How does f stop and DoF correlate

A

Large f stop (small hole) = deep DoF; small f stop (large hole) = shallow DoF

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10
Q

Shutter speed

A

The amount of time the image is exposed to the sensor. Measured in fractions of a second.

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11
Q

How does shutter speed affect blur

A

The slower the shutter speed (under 50th of a second), the more blur. Fast shutter = freeze frame

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12
Q

ISO

A

Sensor sensitivity. Controlled by chemical make up of film. Larger ISO = faster film. Gain. High ISO more noise.

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13
Q

Signal to noise ratio

A

Greater noise to image ration means can be recorded in low light

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14
Q

Lens Focal Length

A

Smaller focal no., wider lens. Wide lens = more distortion. Larger = telephoto. Longer lens reduce DoF

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15
Q

Wide lens focal length is considered

A

35mm or under

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16
Q

Normal lens focal length is considered

A

50mm

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17
Q

Telephoto or long focal length is considered

A

85mm and higher

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18
Q

Why is composition important

A

Reinforces or adds to story, meaning, mood/feeling, directs viewers eyes

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19
Q

What are the types of composition

A

Rule of thirds, golden triangle, Dutch angle, static or dynamic

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20
Q

Rule of Thirds

A

Composition can be divided and organized into thirds. Diving image equally horizontal and vertical. Placement within these sequences create tension energy and interest. Important details at the junction of intersecting lines signifies elements.

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21
Q

Static composition

A

Horizontal and vertical lines, may be symmetrical

22
Q

Dynamic composition

A

Greater diagonal lines, may be asymmetrical

23
Q

Golden Triangle

A

Split image diagonally, works well with line elements in frame

24
Q

Dutch angle

A

Tilted image

25
Q

Symmetry

A

Harmonious, divided into equal mirrored parts, formal. Awkward, powerful, focused or imposing.

26
Q

Asymmetry

A

Dynamic, unbalanced or active. Can not be divided into two equal parts. Emotionally active, chaotic, increase spatial depth, balanced through other elements.

27
Q

Value

A

Form

28
Q

Color

A

Metaphor

29
Q

Color and value shared attributes

A

Emotion, tension, mood, emphasis, direction, depth

30
Q

Parts of a camera

A

Exposure (light), Sensor, lens

31
Q

CODEC

A

Compressor (co) decompressor (dec), compresses large amounts of data

32
Q

What does the CODEC affect

A

Resolution (quality) storage space, color information (space), frame rate, image size

33
Q

Frame rate

A

How many frames in a second, film 24fps. TV 29.97 FPS.

34
Q

Sound

A

mhz or bits. Typically 48mhz or 16 bits. Smaller no. = lower quality

35
Q

Aspect ratio

A

Ratio of an images width to height. Width:height. 16:9, 4:3

36
Q

Resolution

A

Number of pixels; 720 x 480 SD standard definition, 1280 x 720 HD, 1920 x 1080 HD, 3840 x 2100 ultra HD and 4K, 4096 x 2160 real 4K

37
Q

Cinemascope

A

Makes standard size films wide

38
Q

Progressive

A

One frame after the other

39
Q

Interlaced

A

Rows of pixels going across screen, made up of 2 fields

40
Q

I-frame

A

Full sequence, capturing image every frame, larger file size

41
Q

Group of Pictures

A

Doesn’t capture every frame, phantom frames, designed for playback ex Netflix, YouTube

42
Q

Lossy compression

A

Reduces file size by throwing away data, permanent, .jpeg, H.264

43
Q

Lossless compression

A

Does not throw away data, gentler, bigger file size, ProRes 422

44
Q

Transcoding

A

Conversion of encoded data to another

45
Q

RAW file

A

Retains more info, greater manipulation in post pro, 4:4:4

46
Q

Sensor

A

Most sensors are CMOS

47
Q

CMOS

A

Complimentary Metal-Oxide-Semiconductor, technology used to make integrated circuits i.e., chips/microchips

48
Q

CCD

A

Charge Coupled Device, image sensor

49
Q

Global Shutter

A

Captures entire image in one instant

50
Q

Rolling Shutter

A

Captures image line by line vs in one instant

51
Q

Time code

A

00:00:00:00
hour minute second frame

Cinema Arts I (2 decks)

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