here are the TFs

Please Answer by hand.

43. The charge-coupled device (CCD) that is used in video movie cameras to convert images into elec- trical signals can be used as part of an automatic focusing system in cameras. Automatic focusing can be implemented by focusing the center of the image on a charge-coupled device array through two lenses. The separation of the two images on the CCD is related to the focus. The camera senses the separation, and a computer drives the lens and 43. The charge-coupled device (CCD) that is used in video movie cameras to convert images into elec- trical signals can be used as part of an automatic focusing system in cameras. Automatic focusing can be implemented by focusing the center of the image on a charge-coupled device array through two lenses. The separation of the two images on the CCD is related to the focus. The camera senses the separation, and a computer drives the lens and