Obtain over what distance must the lens be movable

Reference no: EM13682760

To focus a camera on objects at different distances, the converging lens is moved toward or away from the film, thus a sharp image always falls on the film. A camera with a telephoto lens (f = 185.0 millimeter) is to be focused on an object placed first at a distance of 3.5 meter and then at 47 meter. Obtain over what distance must the lens be movable?

Reference no: EM13682760

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