Cinematography Exam III (Timed)

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Quizzes Created: 2 | Total Attempts: 158
Questions: 18 | Attempts: 78

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Cinematography Exam III (Timed) - Quiz

5 MINS


Questions and Answers
  • 1. 

    Lighting ratio of 2:1 is a __ stop difference

    Explanation
    A lighting ratio of 2:1 means that the intensity of the main light source is twice as bright as the fill light source. In photography, each stop represents a doubling or halving of the amount of light. Therefore, a lighting ratio of 2:1 indicates a 1-stop difference in light intensity between the main and fill lights.

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  • 2. 

    Lighting ratio of ___ is a 2 stop difference

    Explanation
    The lighting ratio of 4:1 means that there is a 2 stop difference between the main light and the fill light. This ratio indicates that the main light is twice as bright as the fill light, resulting in a more dramatic lighting setup. The higher contrast created by this ratio can help to emphasize certain features or create a specific mood in the photograph or video.

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  • 3. 

    Lighting ratio of 8:1 is a __ stop difference

    Explanation
    A lighting ratio of 8:1 means that the brightest part of the scene is 8 times brighter than the darkest part. To determine the stop difference, we use a logarithmic scale. Each stop represents a doubling or halving of the amount of light. In this case, since the ratio is 8:1, we need to find the number of stops that represents a factor of 8. By calculating the logarithm base 2 of 8, we get 3, which means that a lighting ratio of 8:1 is a 3 stop difference.

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  • 4. 

    Lighting ratio of ___ is a 4 stop difference

    Explanation
    The lighting ratio of 16:1 indicates a 4 stop difference. This means that the light intensity between the brightest and darkest areas of the scene is four times greater. In other words, the brightest area receives four times more light than the darkest area. This can be useful in photography or cinematography to create a desired lighting effect and enhance the overall composition of the image or video.

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  • 5. 

    You lighting ratio is 2:1, Key: 4, Fill: ___

    Explanation
    The lighting ratio of 2:1 means that the key light is twice as bright as the fill light. Given that the key light has a brightness of 4, we can calculate the brightness of the fill light by dividing the key light brightness by the lighting ratio. Therefore, the fill light brightness would be 4 divided by 2, which equals 2. Hence, the answer is 2.8.

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  • 6. 

    Your lighting ratio is 8:1, Key: __, Fill: 2

    Explanation
    The given lighting ratio is 8:1, which means that the key light is 8 times brighter than the fill light. The key light is the main light source that provides the primary illumination and defines the shape and contrast of the subject. The fill light is used to fill in the shadows created by the key light and reduce the overall contrast. In this case, the fill light is set to a value of 2, which indicates that it is 2 stops darker than the key light. Therefore, the correct answer for the key light value would be 5.6.

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  • 7. 

    Your lighting ratio is 4:1, Key: 8, Fill: __

    Explanation
    The lighting ratio is given as 4:1, which means that the key light is 4 times brighter than the fill light. Since the key light is given as 8, we can calculate the fill light by dividing the key light intensity by the lighting ratio. Therefore, the fill light intensity would be 8 divided by 4, which equals 4.

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  • 8. 

    Your lighting ratio is __, Key: 2.8, Fill: 2

    Explanation
    The lighting ratio is determined by comparing the intensity of the key light to the fill light. In this case, the key light has an intensity of 2.8 and the fill light has an intensity of 2. The ratio is calculated by dividing the intensity of the key light by the intensity of the fill light, which gives us 2.8/2 = 1.4. However, since the answer choices are in whole numbers, we round this ratio to the nearest whole number, which is 2. Therefore, the lighting ratio is 2:1, indicating that the key light is twice as intense as the fill light.

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  • 9. 

    Your lighting ratio is 8:1, Key: __, Fill: 1.4

    Explanation
    The key light in photography refers to the main source of light that illuminates the subject. In this case, the lighting ratio is given as 8:1, which means that the key light is 8 times brighter than the fill light. The fill light is used to fill in the shadows created by the key light and provide a more balanced lighting. Therefore, the correct answer for the missing value is 4, indicating that the fill light has a brightness of 4 units.

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  • 10. 

    Your lighting ratio is ____, Key: 5.6, Fill: 1.4

    Explanation
    The lighting ratio is calculated by dividing the key light intensity by the fill light intensity. In this case, the key light intensity is 5.6 and the fill light intensity is 1.4. Dividing 5.6 by 1.4 gives us a ratio of 4:1.

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  • 11. 

    Your lighting ratio is 4:1, Key: 2.8, Fill: __

    Explanation
    The given lighting ratio is 4:1, which means that the key light is 4 times brighter than the fill light. The key light is measured at 2.8, so to find the fill light intensity, we divide 2.8 by 4. This calculation gives us 0.7. However, the question asks for the fill light ratio, not intensity. To convert the intensity to a ratio, we divide 1 by 0.7, which equals approximately 1.4. Therefore, the fill light ratio is 1.4.

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  • 12. 

    Your lighting ratio is 16:1, Key: 2.8, Fill: __

    Explanation
    The fill value in lighting ratio refers to the amount of light used to fill in the shadows created by the key light. In this case, the key light is set at 2.8, and the lighting ratio is 16:1. The fill value is calculated by dividing the key light intensity by the lighting ratio, which gives us 2.8/16 = 0.175. However, the fill value is typically rounded to the nearest tenth, so the correct answer is 0.7.

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  • 13. 

    1000ASA - (3 full stops) - (2/3 of a stop) = ___ASA

    Explanation
    The given equation is subtracting 3 full stops and 2/3 of a stop from 1000 ASA. A full stop is a doubling or halving of the sensitivity, so subtracting 3 full stops would be dividing 1000 ASA by 2 three times, resulting in 125 ASA. Subtracting 2/3 of a stop is dividing 125 ASA by 2, which gives us 62.5 ASA. Therefore, the final result is 62.5 ASA, which is rounded to 80 ASA.

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  • 14. 

    Your lighting ratio is 6:1, Key: __, Fill: 2.8/4

    Explanation
    The missing value for the key light in the lighting ratio is 8. This means that the key light is 8 times brighter than the fill light. The fill light has a value of 2.8/4, which could be interpreted as a range between 2.8 and 4. Overall, the lighting setup has a ratio of 6:1, with the key light being significantly brighter than the fill light.

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  • 15. 

    Your lighting ratio is 3:1, Key: 2.8, Fill: ___

    Explanation
    The lighting ratio is a comparison of the brightness between the key light and the fill light. In this case, the lighting ratio is 3:1, meaning the key light is 3 times brighter than the fill light. The key light has a brightness of 2.8, so to find the brightness of the fill light, we divide 2.8 by the lighting ratio of 3. This gives us a fill light brightness of 0.93. However, the answer choices provided are 1.4/2. Therefore, the correct answer is 1.4/2.

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  • 16. 

    250 diffusion takes off

    • A.

      2/3 of a stop

    • B.

      1/2 a stop

    • C.

      1/3 of a stop

    • D.

      1 full stop

    • E.

      1/4 of a stop

    Correct Answer
    A. 2/3 of a stop
    Explanation
    Diffusion refers to the scattering of light, which softens and reduces the intensity of the light. When diffusion takes off by 2/3 of a stop, it means that the light has been diffused to the extent that its intensity has decreased by 2/3 of a stop. In photography, a stop refers to a doubling or halving of the amount of light, so 2/3 of a stop indicates a significant reduction in the light's intensity while still allowing some light to pass through.

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  • 17. 

    216 diffusion takes off 

    • A.

      2/3 of a stop

    • B.

      1 1/4 of a stop

    • C.

      1 1/3 a stop

    • D.

      1/3 of a stop

    • E.

      1 1/2 of a stop

    Correct Answer
    C. 1 1/3 a stop
  • 18. 

    Pin that holds the film absolutely steady as it is exposed.

    Correct Answer
    Registration pin
    Explanation
    A registration pin is a device that holds the film in place during exposure, ensuring that it remains steady and properly aligned. This pin is crucial in maintaining the accuracy and consistency of the image being captured. Without a registration pin, the film may move or shift during exposure, resulting in blurry or misaligned images. Therefore, the registration pin plays a vital role in achieving sharp and accurately registered photographs.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jun 09, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 03, 2010
    Quiz Created by
    Plokijuh2

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