The Depth of Field Test: Your Results

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1. Which camera or lens setting has no effect on depth-of-field?

C. ISO

2. When a point in the subject or scene registers also as a point on film or video, it is referred to as being __________.

D. In critical focus

3. True or false: the size of the finished film or video image (projected, TV, Internet) has an effect on acceptable focus?

A. True

4. What is the approximate ratio of depth-of-field in front of and behind a subject you are focused on?

A. 1/3 in front; 2/3 behind

5. What is the closest distance at which the far limit of depth-of-field extends to infinity called?

D. Hyperfocal distance

6. Stopping down the lens __________ depth-of-field.

A. Increases

7. Opening up the iris of a lens __________ depth-of-field.

B. Decreases

8. Getting closer to the subject you're focusing on __________ depth-of-field.

B. Decreases

9. Adding a filter in front of the lens without adjusting the exposure __________ depth-of-field.

C. Has no effect on

10. Using a 35mm film camera as opposed to a 16mm film camera for the exact same shot would cause depth-of-field to __________.

B. Decrease

11. How much depth-of-field do you have with the settings below?

ARRI 435 Camera, 50mm Lens, F-stop 2.8, Subject at 6 feet

C. 6 in. (Six inches)

12. How much depth-of-field do you have with the settings below?

Canon 7D, 28mm Lens, f-stop 5.6, Subject at 10 feet

D. 10 ft.. (Ten feet)

13. How much depth-of-field do you have with the settings below?

ARRIFLEX SR3, 16mm film, 100mm lens, f-stop 4.0, subject at 25 feet

A. 2 ft. 10 in. (Two feet and ten inches)

14. How much depth-of-field do you have with the settings below?

RED One camera, 4K Resolution, 85mm Lens, f-stop 2.8-4 split, subject at 12 feet

C. 9 in. (Nine inches)

15. How much depth-of-field do you have with the settings below?

RED Epic Camera, 18mm lens, f-stop 8, subject at 50 feet

D. Infinity

16. How much depth-of-field do you have with the settings below?

ARRI Alexa, 35mm lens, f-stop 1.4, subject at 8 feet

B. 10 in. (Ten inches)

17. How much depth-of-field do you have with the settings below?

Canon C300, 70mm lens, f-stop 11.0, subject at 42 feet

C. 68 ft. 6 in. (Sixty-eight feet and six inches)

18. How much depth-of-field do you have with the settings below?

RED Epic, 2K Resolution, 25mm lens, f-stop 2.8, subject at 20 feet

A. 12 ft. 6 in. (Twelve feet and six inches)

19. How much depth-of-field do you have with the settings below?

Two-thirds broadcast camera, 35mm lens, f-stop 4.0, subject at 15 feet

B. 4 ft. (Four feet)

20. How much depth-of-field do you have with the settings below?

ARRI 435, 35mm film, 200mm lens, f-stop 5.6, subject at 100 feet

B. 18 ft. 8 in. (Eighteen feet and eight inches)