Increasing the Focal Length in a Telephoto Lens by a Factor

question 2

Multiple Choice

Increasing the focal length in a telephoto lens by a factor of nine,while keeping the aperture size constant,will change the f-number by what factor?

• A) 1/3
• B) 1/9
• C) 9
• D) 3

---

Definitions:

Active Listening

A communication technique involving fully concentrating, understanding, responding, and remembering what is being said.

Constructive Feedback

Positive or negative information about actions or behaviors which is presented in a way that encourages improvement or development.

Active Listener

An individual who fully concentrates, understands, responds, and then remembers what is being said in a conversation.

Non-Verbal Cues

Forms of communication that do not use words but convey messages through body language, facial expressions, gestures, posture, and tone of voice.