Determine the optical power of a collecting lens, the focal length of which is 40 cm?

univerkov | January 8, 2021 | education

Initial data: F (focal length of the taken collecting lens) = 40 cm (in SI F = 0.4 m).
To determine the optical power of the taken collecting lens, apply the formula: D = 1 / F.
Let’s calculate: D = 1 / 0.4 = 2.5 diopters.
Answer: The taken collecting lens has an optical power of 2.5 diopters.

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