Output

Question 1

How much light does a Full Single scrim reduce?
a) Half stop
b) One stop
c) Two stops
d) No reduction

Answer 1

a) Half stop

Question 2

What is the effect of an ND 0.3 gel on light output?
a) Reduces light by one stop
b) Reduces light by half a stop
c) Increases light intensity
d) Changes color temperature

Answer 2

b) Reduces light by half a stop

Question 3

What happens to the color temperature of a tungsten light when dimmed to 50%?
a) Increases
b) Decreases
c) Remains constant
d) Becomes neutral

Answer 3

b) Decreases

Question 4

What is the typical color temperature of an HMI light?
a) 3200K
b) 4100K
c) 5600K
d) 6500K

Answer 4

c) 5600K

Question 5

What does a CTO gel do to a daylight source?
a) Converts it to tungsten (3200K)
b) Increases light intensity
c) Reduces green tint
d) Converts it to 4100K

Answer 5

a) Converts it to tungsten (3200K)

Question 6

How does a Full Double scrim affect a lamp’s light output?
a) Reduces all light by one stop
b) Reduces all light by two stops
c) Reduces half the light by one stop
d) Reduces half the light by half a stop

Answer 6

b) Reduces all light by two stops

Question 7

What is the primary purpose of a 216 diffusion filter?
a) To change color temperature
b) To soften and spread light
c) To focus the beam
d) To reduce heat output

Answer 7

b) To soften and spread light

Question 8

What is the color temperature of a standard tungsten light?
a) 3200K
b) 4100K
c) 5600K
d) 6500K

Answer 8

a) 3200K

Question 9

What effect does a CTB gel have on a tungsten light?
a) Converts it to daylight (5600K)
b) Reduces light by two stops
c) Increases red tint
d) Decreases color temperature

Answer 9

a) Converts it to daylight (5600K)

Question 10

How many channels are in a DMX universe?
a) 256
b) 512
c) 1024
d) 128

Answer 10

b) 512

Question 11

What is the effect of a 1/4 CTO gel on a daylight source?
a) Fully converts to tungsten
b) Partially warms the light toward tungsten
c) Cools the light
d) Reduces light by one stop

Answer 11

b) Partially warms the light toward tungsten

Question 12

What is the purpose of a minus green gel?
a) To reduce green tint in fluorescent lights
b) To increase light intensity
c) To convert tungsten to daylight
d) To diffuse light

Answer 12

a) To reduce green tint in fluorescent lights

Question 13

What is the light loss when using a 1/2 CTB gel?
a) No loss
b) Half a stop
c) One stop
d) Two stops

Answer 13

c) One stop

Question 14

What is the beam angle of a typical Fresnel in flood position?
a) 10–20 degrees
b) 30–60 degrees
c) 60–90 degrees
d) 90–120 degrees

Answer 14

b) 30–60 degrees

Question 15

What does a silk diffusion do to light output?
a) Hardens the light
b) Softens and spreads the light
c) Changes color temperature
d) Increases intensity

Answer 15

b) Softens and spreads the light

Question 16

What is the typical CRI (Color Rendering Index) of a high-quality LED fixture?
a) 50–60
b) 70–80
c) 90–95
d) 100

Answer 16

c) 90–95

Question 17

What is the effect of stacking two ND 0.3 gels?
a) Reduces light by half a stop
b) Reduces light by one stop
c) Reduces light by two stops
d) No effect

Answer 17

b) Reduces light by one stop

Question 18

What is the purpose of a dimmer in a lighting setup?
a) To change color temperature
b) To control light intensity
c) To focus the beam
d) To reduce power consumption

Answer 18

b) To control light intensity

Question 19

What is the typical beam spread of a PAR 64 in a narrow spot configuration?
a) 10–15 degrees
b) 20–30 degrees
c) 40–50 degrees
d) 60–70 degrees

Answer 19

a) 10–15 degrees

Question 20

What does a plus green gel do to a light source?
a) Adds green tint to match fluorescent lighting
b) Reduces green tint
c) Converts to tungsten
d) Increases intensity

Answer 20

a) Adds green tint to match fluorescent lighting