By Changing the Separation Distance Between Lens and Film, a Camera

Multiple Choice

By changing the separation distance between lens and film, a camera can focus on subjects at a variety of distances. Assume that the lens-film separation for taking an in-focus picture of a distant object is d₀. To take an in-focus picture of a nearby object, the lens-film separation is

A) less than d₀.
B) equal to d₀.
C) greater than d₀.