Question Detail

PHY 104 Refraction Through Lenses and Optical Instruments Objective Question
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Question

What is the primary function of the f-stop in a camera?
Options
A To adjust the position of the lens for focusing.
B To control the maximum opening of the shutter and amount of light entering.
Correct Answer
C To set the camera's ISO sensitivity.
D To determine the white balance of the image.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Page 32 describes the f-stop: 'f-stop: controls the maximum opening of the shutter. This allows the right amount of light to enter to properly expose the film, and must be adjusted for external light conditions.'

Hint

Think about how much light you want to let into the camera to properly expose the image.

Question Info

Course: PHY 104
Topic: Refraction Through Lenses and Optical Instruments
Type: Objective
Difficulty: Not specified
Question 71 of 947
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