Definition of Focal Length in English :

Define Focal Length in English

Focal Length meaning in English

Meaning of Focal Length in English

Pronunciation of Focal Length in English

Focal Length pronunciation in English

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Focal Length

see synonyms of focal length

Noun

1. focal distance, focal length

the distance from a lens to its focus

WordNet Lexical Database for English. Princeton University. 2010.


Focal Length

see synonyms of focal length
noun
the distance from the focal point of a lens or mirror to the reflecting surface of the mirror or the centre point of the lens

Collins English Dictionary. Copyright © HarperCollins Publishers


Focal Length

see synonyms of focal length
the distance from the optical center of a lens or curved mirror to the point where light rays from a very distant object converge
: also focal distance

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


Focal Length

see synonyms of focal length
n. Abbr. f
The distance of a lens or mirror to its focal point. Also called focal distance, focus.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.