INTRO TO DIGITAL PHOTOGRAPHY

Question 1

SHUTTER

Answer 1

MECHANICAL CAMERA COMPONENT THAT LIMITS THE PASSAGE OF LIGHT

The shutter is the device between the light source (thing you are trying to take a picture of) and the sensor.

Question 2

CCD

Answer 2

(CHARGED COUPLED DEVICE) OPTICAL SENSO THAT STORES/TRANSFERS ELECTRICAL CHARGE TO BE CONVERTED INTO PIXELS

Question 3

Resolution

Answer 3

Measurement of the sharpness of an image, usually expressed as the density of pixels in the image​

Question 4

Pixel

Answer 4

Single color elements that together constitute an image

Question 5

White Balance

Answer 5

Balancing of color temperature in an image to accurately reflect subject

Cameras can automatically adjust white balance by adding opposite colors to an image

Question 6

Color temperature

Answer 6

Orange tint is considered warmer, blue tint is considered colder

Question 7

Zoom

Answer 7

Changing the apparent distance of an object from the observer while maintaining focus.
As you use the zoom on these cameras, your focus will not change.

Question 8

2 TYPES OF ZOOM

Answer 8

Optical, ​Digital​

Question 9

Focal Length

Answer 9

Distance from the CCD to the focus point of the lens

Question 10

Angle of View

Answer 10

Degrees of the angle between opposite edges of the light converging on the lens​

Essentially, how much of the scene or subject can be seen by the camera’s sensor. This means, the farther in a camera is zoomed, the less angle of view the camera has​

Question 11

Focal Length

Answer 11

Expressed in mm: the mm of distance from the point of light rays on the lens, to the CCD

Question 12

Exposure

Answer 12

Total amount of light allowed to reach the light-sensitive material (CCD)​

Question 13

Exposure is dependent on:

Answer 13

brightness of the scene ​

the camera aperture ​

length of time for which the photographic material is exposed​

Question 14

Types of Exposure​

Answer 14

Underexposure:
Insufficient Light​, Dark colors appear darker​, Less
white pixels throughout the entire image​
Overexposure:
Excessive Light​,Colors appear washed
out​, Light and white colors dominate most of the
image​
Correct Exposure​:
Correctly reflects ‘real life’​

Question 15

Three Components of Exposure​

Answer 15

Shutter Speed​, Aperture Size​, ISO Sensitivity

Question 16

Shutter Speed​

Answer 16

Adjustable time that controls how long the shutter is open​.
Adjustments based on lighting conditions, movement of subject, and other situational factors​
Shutter Speed is calculated in fractions of a second, with full seconds annotated with “:​

250 = 1/250 sec​

5” = 5 sec​

Question 17

Aperture​

Answer 17

The diameter of the stop in an optical system that determines the diameter of the bundle of rays traversing the instrument​
Calculated as the total diameter of opening of the mechanical shutter​

Also in fraction form: f/2 = 1/2​

Known as F Stop or F Number​

F stands for Focal​

Aperture affects depth of field​

Low number = Fuzzy Background​

High number = Clear Background​

Question 18

ISO Sensitivity​

Answer 18

Measurement of the sensitivity of the image sensor​

Lower numbers mean lower sensitivity and lower noise​

Noise: light imperfections detected on the camera’s image sensor​

Low ISO situations:​

Outside photography​

Clear, long distance, still targets​

High ISO situations:​

Florescent light​

Low-light photography​

Fast targets requiring high shutter speeds​

ISO: International Organization for Standardization​

Question 19

ISO

Answer 19

Keeping the ISO setting around the medium range can help catch both low light situations as well as high movement situations (around 800)​

Another example of NOISE: weird dots and fuzziness in night vision. The higher you turn up the brightness (gain), the more fuzzy dots you get. ​

Question 20

APERTURE

Answer 20

F/1.4 = ALL THE WAY OPEN (BRIGHTEST SETTING)
F/16 = DARKEST/ ALMOST CLOSED

Question 21

SHUTTER

Answer 21

1/8 = SLOW (BLURRY MVT) BRIGHT
1/1000 = FAST (CLEAR MVT) DARK

Question 22

ISO

Answer 22

100 = NORMAL VISION (DARKER)
12800 = OVEREXPOSURE LOTS OF LIGHT

Question 23

Bracketing​

Answer 23

To take photographs of at more than one exposure in order to ensure that the desired exposure is obtained

Question 24

What is the CCD?​

​What are the three types of exposure?​

What are the three components of exposure?​

What does ISO stand for?​

Answer 24

CHARGED COUPLED DEVICE

UNDEREXPOSURE, OVEREXPOSURE, CORRECT EXPOSURE

ISO, SHUTTER, APERTURE

INTERNATIONAL ORGANIZATION FOR STANDARDIZATION