focal plane


Definition of focal plane

: a plane that is perpendicular to the axis of a lens or mirror and passes through the focus

Examples of focal plane in a Sentence

Recent Examples on the Web

Magic Leap theoretically features multiple focal planes that let your eyes focus more normally than with other mixed reality headsets. Adi Robertson, The Verge, "I tried Magic Leap and saw a flawed glimpse of mixed reality’s amazing potential," 8 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'focal plane.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of focal plane

1840, in the meaning defined above

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Time Traveler for focal plane

The first known use of focal plane was in 1840

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More Definitions for focal plane

focal plane


Medical Definition of focal plane

: a plane that is perpendicular to the axis of a lens or mirror and passes through the focus

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