A photographer uses his camera, whose lens has a 50 mm focal length, to focus on an object 2.0 m away. He then wants to take a picture of an object that is 60 cm away. toward the film away from the film Previous Answers vi Correct Here we learn how to apply the thin-lens equation to calculate the distance needed between the lens and the film. V PartB How far must the lens move to focus on this second object? Express your answer to two significant figures and include the appropriate units. You have already submitted this answer. Enter a new answer. No credit lost. Try again. Previous Answers R_equest