The focal length of the camera lens is 8 mm. What is its optical power?
| July 29, 2021 | education
F = 8 mm = 0.008 m.
D -?
The optical power of the lens D is called the reciprocal of its focal length F is determined by the formula: D = 1 / F.
D = 1 / 0.008 m = 125 m ^ -1 = 125 diopters (diopters).
Answer: the optical power of the camera lens is D = 125 diopters.
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