Over what distance must the lens be movable

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Reference no: EM13277620

To focus a camera on objects at different distances, the converging lens is moved toward or away from the film, so a sharp image always falls on the film. A camera with a telephoto lens (f = 210.0 mm) is to be focused on an object located first at a distance of 3.5 m and then at 54.0 m. Over what distance must the lens be movable?

Reference no: EM13277620

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