Question

Some digital cameras have the option to press the shutter release button halfway down. What does pressing the button halfway down do? Question 2 options: It checks that there is memory available for a new image on the camera's memory card. It sets the aperture before taking the picture. It focuses on a particular object in the scene before taking the picture. It adjusts the lighting of the scene before taking the picture.

Answer 1

it focuses on a particular object in the scene before taking picture is the correct one :)