Question
Your camera's zoom lens has an adjustable focal length ranging from 80.0 to $200 \mathrm{~mm}$. What is its range of powers?
Step 1
Focal length is the distance between the lens and the image sensor when the subject is in focus. It is measured in millimeters (mm). A longer focal length means a narrower field of view and more magnification. Power, on the other hand, is a measure of the lens's Show more…
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