The focal length from the lens is 200 mm. Calculate the refractive power of the lens.
| September 3, 2021 | education
To calculate the value of the optical power of a given lens, we will use the formula: D = 1 / F.
Variables: F – focal length of the taken lens (F = 200 m = 0.2 m).
Let’s calculate: D = 1 / F = 1 / 0.2 = 5 diopters.
Answer: The value of the optical power of a given lens is 5 diopters.
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