A Varifocal Lens

question 9

Multiple Choice

A varifocal lens

• A) Makes it possible to adjust the focal length like a zoom lens, but requires refocusing after adjusting the focal length.
• B) Allows the depth of field to be adjusted, making it possible to blur out the background for privacy protection or reducing distraction.
• C) Can rapidly change focus between a set of predefined positions, making it easy to move between different points of interest in the scene.
• D) Is a lens where the focus can be adjusted, as opposed to a fixed focus lens, making it possible to focus on objects close to the camera.

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Definitions:

Foot-In-The-Door Technique

A persuasion strategy that involves getting a person to agree to a small request to increase the chances they will agree to a larger request later.

Foot-In-The-Door Technique

A persuasion strategy where a small request is made first in order to increase the likelihood of compliance with a larger request later.

Balance Theory

A theory in social psychology suggesting that individuals strive for consistency in their beliefs, attitudes, and sentiments in relation to one another.

Assimilate

To absorb and integrate new information, cultures, or ideas into one's existing knowledge base or cultural identity.