D40 of Nikon is a numerical camera. D40 adopts a sensor CCD with a 18-55 mm objective. This model is endowed with a resolution of 6,24 million pixels.It has an optic zoom lens of 3x. A monitor ACL of 2,5 thumbs allows to show the taken photographs. He can be to link up with a television set HD.It is connected to the computer via connection: USB 2.0. Function programs allow to ameliorate automatically pictures taken in all situations.