follow Dictionary.com

How Well Do You Know English Slang?

extension tube

noun, Photography
1.
any of a series of tubes of varying lengths placed between the lens and a camera body to facilitate closeup focusing.
Origin
1955-1960
1955-60
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples for extension tube
  • The extension tube can be sewn or tied to this opening end of the trap.
  • The first robber carried a modified shotgun with an attached telescopic site and magazine extension tube.
British Dictionary definitions for extension tube

extension ring

noun
1.
(photog) a spacer element that can be fixed between the camera body and the lens to increase the distance between film and lens and allow closer focus than would be possible without it
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of the Day

Difficulty index for extension tube

Few English speakers likely know this word

Word Value for extension

16
18
Scrabble Words With Friends