Question Detail

PHY 104 Refraction Through Lenses and Optical Instruments Objective Question
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Question

In photography, what is 'depth of field'?
Options
A The maximum distance a camera can focus on.
B The range of distances over which objects appear to be in focus.
Correct Answer
C The amount of light gathered by the lens.
D The speed at which the camera shutter opens and closes.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Page 33 states: 'There is a certain range of distances over which objects will be in focus; this is called the depth of field of the lens.'

Hint

It relates to how much of the scene, from foreground to background, appears sharp.

Question Info

Course: PHY 104
Topic: Refraction Through Lenses and Optical Instruments
Type: Objective
Difficulty: Not specified
Question 113 of 947
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