An older camera has a lens with a focal length of 60 mm and uses 36-mm-wide film. Using this camera, a photographer takes a picture of the Golden Gate Bridge that completely spans the width of the film. Now he wants to take a picture of the bridge using his digital camera with its 12-mm-wide CCD detector. Part A What focal length should this camera's lens have for the image of the bridge to cover the entire detector? Express your answer with the appropriate units. 0 f2 = 16.7 mm Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining