Dictionary.com
definitions
  • synonyms

back focus

See more synonyms for back focus on Thesaurus.com
noun Photography.
  1. the distance between the back surface of a lens and the focal plane when the lens is focused at infinity.
Show More

Origin of back focus

First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018