i got -0.268m and it was wrong, thanks! When a converging lens is used in a camera (as in the first drawing), the film must be placed at a distance of 0.170 m from the lens to record an image of an object that is 4.50 m from the lens. The same lens is then used in a projector (as in the second drawing), with the screen 0.420 m from the lens. How far from the projector lens should the film be placed? Film Object Real image (inverted) Bulb Object (upside down) Screen Real image Projector (by