Ch.4

Question 1

aperture

Answer 1

iris opening of a lens (f-stop)

Question 2

beam splitter

Answer 2

optical device within the camera that splits the white light into RGB

Question 3

camcorder

Answer 3

portable camera with the video recorder built in

Question 4

camera chain

Answer 4

camera and the associated electronic equipment (power supply, sync generator, and camera control unit)

Question 5

camera control unit (ccu)

Answer 5

equipment that allows the video operator to adjust the color and brightness balance before and during production (separate from camera)

Question 6

CCD

Answer 6

charge-coupled device; one of the popular imaging devices in a studio camera or camcorder

Question 7

chrominance channel

Answer 7

contains the RGB video signals or some combination thereof (also called color, and C, channel)

Question 8

CMOS

Answer 8

complimentary metal-oxide semiconductor; high-quality imaging device similar to a CCD

Question 9

DSLR camera

Answer 9

digital single-lens reflex camera; still-photo camera that can produce bideo

Question 10

ENG/EFP camera

Answer 10

highly portable, high-end self-contained camera without a built-in video recorder used for electronic field production

Question 11

fast lens

Answer 11

lets a relatively great amount of light to past through at its largest aperture; can be used in low-light conditions

Question 12

focal length

Answer 12

with the lens set at infinity, the distance from the iris to the plan is in focus (mm or in)

Question 13

f-stop

Answer 13

scale on the lens indicating aperture (larger = smaller, smaller = larger)

Question 14

iris

Answer 14

adjustable lens-opening mechanism

Question 15

luminance channel

Answer 15

contains the black and white part of a video signal; mainly controls the sharpness of an image

Question 16

sensor

Answer 16

solid-state imaging device in a video or digital cinema camera that converts the optical image into electric energy (CCD, chip, or CMOS)

Question 17

slow lens

Answer 17

lets a relatively small amount of light to pass through; requires more light for good pictures

Question 18

viewfinder

Answer 18

small video screen or flat panel display on a camera that shows the image the camera generates (monitors)

Question 19

zoom lens

Answer 19

variable-focal-length lens

Question 20

zoom range

Answer 20

how much the focal length can be changed from a wide shot to a close-up during a zoom; usually a ratio (zoom ratio)