focal power

(redirected from fundamental paraxial equation)
Also found in: Medical.

focal power

[′fō·kəl ‚pau̇·ər]

(optics)

A measure of the ability of a lens, mirror, prism, or optical system to converge a parallel beam of light; equals the reciprocal of the focal length. Also known as power.

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amplitude of accommodation
corrugated lens
Diopter
power
stigmatic

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