Midterm Part 4

Question 1

5 Ways light energy can be affected when reaching a surface or material
and examples for each

Answer 1

Reflected
1. Specular- chrome or mirror
2. Diffused
3. Absorbed- light on black cloth
Transmitted
3a. Direct- stain glass window
3b. Diffused- silk/frosted gel
4. Refracted- blue sky
5. Dispursed- prism

Question 2

Inverse Square law

Answer 2

light rays from a point source spread farther and farther apart as distance from light source increases

Question 3

Foot candle? Define.

Answer 3

Unit of illumination equal to that given by a source of one candela at a distance of one foot

Question 4

Light Intensity Meters?

Answer 4

1. Spot- intensity of light bounced off object
2. Incident Light meter- intensity of light from a source

Question 5

Manufacturers base the NATIVE ISO RATING ON WHAT?

Answer 5

LATITUDE

Question 6

White light minus red is?

Answer 6

Cyan

Question 7

Color 4 is comprised of

Answer 7

Green and Blue

Question 8

White light minus green is?

Answer 8

Magenta

Question 9

Color 5 is comprised of

Answer 9

Red and Blue

Question 10

White light minus blue =?

Answer 10

Yellow

Question 11

Color 6 is comprised of

Answer 11

Red and Green

Question 12

Scale used to measure color temperature?

Answer 12

Kelvin

Question 13

STUDY 4-11 AND 12

Question 14

The color you perceive something to be is dependent on?

Answer 14

1. Color balance of light
2. How object absorbs light

Question 15

Tungsten light is 3200k and appears?

Answer 15

WARM/RED

Question 16

Day light is 5600k and appears?

Answer 16

COOL/BLUE

Question 17

LIGHT SENSITVE SPOTS THAT CONVERT LIGHT THAT HAS BEEN TRANSMITTED THROUGH THE LENS ONTO THE IMAGE SENSOR INTO DIGITAL INFORMATION IS?

Answer 17

Pixels

Question 18

Aspect ratio describes?

Answer 18

Proportional relationship between width and height

Question 19

35mm still photography Aspect Ratio?

Answer 19

3:2

Question 20

NTSC TV Aspect Ratio?

Answer 20

4:3

Question 21

Cinema natural vision Aspect Ratio?

Answer 21

1:85

Question 22

Digital high definition tv aspect ratio?

Answer 22

16:9

Question 23

Silent film cinema standard aspect ratio?

Answer 23

1:33

Question 24

Cinema panoramic aspect ratio?

Answer 24

2:35

Question 25

What types of scan protocol will a digital camera sensor perform to record 1 frame of an image and an LCD screen will perform to recreate that same 1 frame of an image? 2 Answers

Answer 25

1. Progressive and Interlaced

Question 26

COMMON FPS IN US AND CANADA

Answer 26

24 OR 30

Question 27

COMMON FPS IN EUROPE

Answer 27

25

Question 28

STUDY 4-24 THROUGH 4-29

Question 29

A __ is a mechanical device inside of a camera that exposes film to the light for a controlled period of time

Answer 29

SHUTTER

Question 30

You want the denominator of your shutter speed to be __ the number of fps that you are recording

Answer 30

DOUBLE

Question 31

At 24 fps which shutter speed would produce a similar motion blur as our natural eye?

Answer 31

1/48th Sec

Question 32

The faster the shutter speed the____

Answer 32

crisper the edges on anything that moves creating a more frantic feeling