Wiktionary
focal lengths
n. (focal length English)
Usage examples of "focal lengths".
He insisted on us stopping there and reversing for a better view, and on Conrad sticking the Arriflex lens out of the window and exposing about fifty feet of film from different angles and with several focal lengths.
They have fixed focal lengths, so anything below the catwalks is a blur.
These sheets are stacked to a depth of more than a centimeter, providing sharp images at all focal lengths simultaneously.
As he had experimented with his focal lengths, he had not noticed that the tile of the plaza, his robotic feet, and a low, decorative wall on the far edge of the plaza had all gradually become clearer.