focal distance

fo·cal dis·tance

F f

Definitions of focal distance words

noun focal distance the distance from a focal point of a lens or mirror to the corresponding principal plane. Symbol: f. 1
noun focal distance the distance between an object lens and its corresponding focal plane in a telescope. 1
noun focal distance camera's lens-to-focus distance 1

before 1745

One of the 47% newest English words

First recorded in 1745-55

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 27% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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