focal length

To his critics, he explained—sometimes at painful length—his reasoning against it.

“It seems that the different standard is (based on) the length of the beard and outwardly display of piety,” Hamdani said.

Hitchcock was fascinated when I pointed out the similarity, and considered it at some length.

The camera dollied backward along the length of the tower's staircase while simultaneously its lens zoomed forward.

People in the comments section were complaining about the length of one of these essays that ran in The New Yorker.

It ended on a complaint that she was 'tired rather and spending my time at full length on a deck-chair in the garden.'

These sections also have vibrations of their own which are of shorter length and more rapid motion.

Besides this fundamental or primary vibration, the movement divides itself into segments, or sections, of the entire length.

At length only four or five flames remained, feebly wavering in their pools of melted wax.

The experience of the Jesuit fathers at Port Royal is related at length, from their own point of view.