Understanding Exposure, Chapter 1: Defining Exposure

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| By Muddyboots

Muddyboots

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Quizzes Created: 3 | Total Attempts: 1,495

Questions: 8 | Attempts: 485 | Updated: Mar 18, 2023

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Tests a reader's comprehension of Chapter 1 of the book "Understanding Exposure" by Bryan Peterson.

Questions and Answers

1.

What is meant by the word "exposure"?
- A.
  
  One photo that's been taken
- B.
  
  A print
- C.
  
  The amount of light that falls on your film or sensor
- D.
  
  The act of allowing light to hit your film or sensor
- E.
  
  All of the above
Correct Answer
E. All of the above

Explanation
The word "exposure" refers to multiple aspects in photography. It can refer to a single photo that has been taken, a print of that photo, the amount of light that falls on the film or sensor, or the act of allowing light to hit the film or sensor. Therefore, the correct answer is "all of the above" as all of these options accurately describe different meanings of the word "exposure" in the context of photography.

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0
1
2.

Your light meter looks like this:[-2...-1...0..+1..+2]but what is it for?
- A.
  
  It tells you if your manual settings are right or not
- B.
  
  It tells you how much light there is in your scene
- C.
  
  It should always show "0" or your photos won't come out
- D.
  
  It tells you how light or dark your photo will be if you use the current settings. Positive numbers mean the photo will come out brighter than they would at "0".
- E.
  
  It tells you how light or dark your photo will be if you use the current settings. Positive numbers mean the photo will come out darker than they would at "0".
Correct Answer
D. It tells you how light or dark your photo will be if you use the current settings. Positive numbers mean the photo will come out brighter than they would at "0".

Explanation
The light meter on a camera measures the amount of light in a scene and provides a numerical value to indicate how light or dark the resulting photo will be when using the current camera settings. Positive numbers on the light meter indicate that the photo will be brighter than it would be at "0", while negative numbers indicate that the photo will be darker. This helps the photographer determine whether their manual settings are appropriate for capturing the desired exposure.

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3.

When you set your shutter speed so the camera shows "500", what does that actually mean?
- A.
  
  500 seconds
- B.
  
  .500 seconds
- C.
  
  1/500 seconds
- D.
  
  500 micro-seconds
Correct Answer
C. 1/500 seconds

Explanation
When you set your shutter speed to "500" on the camera, it means that the shutter will remain open for 1/500th of a second. Shutter speed refers to the duration for which the camera's shutter remains open, allowing light to enter and expose the camera sensor. A faster shutter speed like 1/500 seconds is useful for capturing fast-moving subjects or freezing motion, while a slower shutter speed is used to capture motion blur or low-light situations.

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4.

You're trying to take a photo of moving cars so that the headlights and taillights get blurred into streaks of red and white light. What setting is most important in this situation?
- A.
  
  Aperture
- B.
  
  Shutter speed
- C.
  
  ISO
- D.
  
  Focal length
Correct Answer
B. Shutter speed

Explanation
In order to capture the streaks of red and white light from moving cars, the most important setting is the shutter speed. Shutter speed refers to the amount of time the camera's shutter remains open, allowing light to enter and expose the image sensor. By using a slower shutter speed, the moving headlights and taillights will create streaks of light as they pass through the frame, resulting in the desired effect.

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5.

You want to take a photo that will capture both your kids and Niagara Falls in the distance and have them both be in-focus. Assuming the following combinations would all give you "correct exposure", which settings would give you the "creatively correct exposure"?
- A.
  
  F/4, 1/250, ISO 400
- B.
  
  F/8, 1/250, ISO 1600
- C.
  
  F/4, 1/125, ISO 200
- D.
  
  F/8, 1/500, ISO 800
- E.
  
  F/16, 1/125, ISO 800
Correct Answer
E. F/16, 1/125, ISO 800

Explanation
The settings that would give you the "creatively correct exposure" are f/16, 1/125, ISO 800. This combination of settings would allow for a smaller aperture (f/16) which would increase the depth of field, ensuring that both the kids and Niagara Falls are in focus. The shutter speed of 1/125 would freeze any motion and the ISO of 800 would provide a good balance between image quality and sensitivity to light.

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6.

You're taking a seascape photo at dusk and you want to use f/8 at a minimum shutter speed of 1/60, but taking a photo with those settings give you a photo that's too dark, what can you do?
- A.
  
  Increase your aperture
- B.
  
  Increase your shutter speed
- C.
  
  Increase your ISO
- D.
  
  Use flash
Correct Answer
C. Increase your ISO

Explanation
To make the photo brighter, increasing the ISO is the correct option. ISO determines the sensitivity of the camera's image sensor to light. By increasing the ISO, the camera becomes more sensitive to light, allowing for a brighter exposure. This is especially useful in low-light situations, such as dusk, where increasing the aperture or shutter speed may not be sufficient to achieve the desired brightness. Using flash is not necessary in this scenario as the goal is to adjust the exposure settings rather than adding artificial light.

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7.

You have a field of flowers, how do you single one flower out of the bunch?
- A.
  
  Use a shallow depth of field by choosing an aperture of f/4
- B.
  
  Use a shallow depth of field by choosing an aperture of f/16
- C.
  
  Use a shallow depth of field by choosing a shutter speed that's at least one over the reciprocal of your focal length
- D.
  
  Use a shallow depth of field by choosing an ISO of 100
- E.
  
  Use a shallow depth of field by choosing an ISO of 800
Correct Answer
A. Use a shallow depth of field by choosing an aperture of f/4

Explanation
The correct answer is to use a shallow depth of field by choosing an aperture of f/4. This is because a shallow depth of field allows for a narrow focus area, which will make the selected flower stand out from the rest of the field. By choosing an aperture of f/4, the camera's lens will open up wider, resulting in a smaller depth of field and a blurred background. This technique is commonly used in photography to isolate a subject and create a visually pleasing effect.

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8.

What is a "creatively correct exposure"?
- A.
  
  The one combination of aperture, shutter speed, and ISO that give you correct exposure
- B.
  
  When your light meter gives you "0" and it comes out as light or dark as you intended it
- C.
  
  When your light meter does not give you "0", but it comes out as you intended anyway (due to overly light or dark subjects or backgrounds)
- D.
  
  One of the many possible combinations of aperture, shutter speed, and ISO that gives you both correct exposure and the depth of field and/or motion blur that you intended
Correct Answer
D. One of the many possible combinations of aperture, shutter speed, and ISO that gives you both correct exposure and the depth of field and/or motion blur that you intended

Explanation
A "creatively correct exposure" refers to a specific combination of aperture, shutter speed, and ISO settings that not only results in a correctly exposed image but also achieves the desired depth of field and/or motion blur. This means that the photographer is able to control the amount of sharpness or blurriness in the image, as well as the amount of background blur or clarity, to create the intended artistic effect. It is important to note that there can be multiple combinations of these settings that achieve a creatively correct exposure, allowing photographers to have creative control over their images.

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Current Version
Mar 18, 2023

Quiz Edited by
ProProfs Editorial Team
Jan 18, 2009

Quiz Created by
Muddyboots

Understanding Exposure, Chapter 1: Defining Exposure

What is meant by the word "exposure"?

Your light meter looks like this:[-2...-1...0..+1..+2]but what is it for?

When you set your shutter speed so the camera shows "500", what does that actually mean?

You're trying to take a photo of moving cars so that the headlights and taillights get blurred into streaks of red and white light. What setting is most important in this situation?

You want to take a photo that will capture both your kids and Niagara Falls in the distance and have them both be in-focus. Assuming the following combinations would all give you "correct exposure", which settings would give you the "creatively correct exposure"?

You're taking a seascape photo at dusk and you want to use f/8 at a minimum shutter speed of 1/60, but taking a photo with those settings give you a photo that's too dark, what can you do?

You have a field of flowers, how do you single one flower out of the bunch?

What is a "creatively correct exposure"?