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guide number
(guide num¦ber)
noun
Photography
a measure of the power of a flashgun expressed in metres or feet.
More words in this category
AE
AF
autochrome
bloom
1
contrasty
ESP
exposure
finder
flash lamp
lens hood
macro
negative
photojournalism
photostat
roll film
spectroheliograph
teleconverter
three-colour process
toner
Nearby Words
guggul
GUI
Guiana
Guiana Highlands
guid
guidance
guide
Guide Association
guide dog
guide number
guide rope
guidebook
guided
guided imagery
guideline
guidepost
Guider
guideway
guidon