Power of a lens:

$\overline{){\mathbf{P}}{\mathbf{=}}\frac{\mathbf{1}}{\mathbf{f}}}$

Where f is the focal length.

Image Formation by Lenses

Your camera's zoom lens has an adjustable focal length ranging from 80.0 to 200 mm. What is its range of powers? (You do not need to enter any units.)

P_{max} =

P_{min} =

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