Which lens has zero power?
| September 18, 2021 | education
To answer this question, we will use the formula that relates the optical power of a lens and its focal length:
D = 1 / F,
where D is the optical power of the lens in diopters,
F is the focal length in meters.
Guided by the written formula, it can be determined that the optical power of the lens will be equal to zero when the focal length is equal to zero, in which case the lens will not refract light rays.
Answer: a lens with a focal length of zero.
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