"Focal length?" NYT crossword answer is:
ATTENTIONSPAN (13 letters length)The answer for "Focal length?" crossword clue is listed above to help you solve the puzzle you are currently working on.
Focal length is the distance between the lens of a camera and the point at which the light rays converge to form a sharp image. It is an important factor in determining the angle of view and magnification of an image. The focal length of a lens is usually expressed in millimeters and is typically written on the lens itself. It is an important clue for photographers when choosing the right lens for a particular shot.