any of a series of tubes of varying lengths placed between the lens and a camera body to facilitate closeup focusing.
IS YOUR DESERT PLANT KNOWLEDGE SUCCULENT OR DRIED UP?
Cactus aficionados, don't get left in the dust with this quiz on desert plants. Find out if you have the knowledge to survive this prickly foray into the desert!
Question 1 of 7
This tall, horizontally branched cactus is probably the most recognizable cactus in Arizona. What is it called?
Origin of extension tube
First recorded in 1955–60
Words nearby extension tube
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020