Definitions
There is 1 meaning of the phrase
Focal Length.
Focal Length - as a noun
Example Sentences
"The focal length of this camera is 50mm."
"A longer focal length will result in a closer view."
"To capture more of the scene, use a wider focal length."
"The focal length affects the depth of field in a photograph."
"You can change the focal length of the lens by zooming in or out."