Orbit and fly controls

you can toggle between the two camera controls in the 3d view fly control scroll wheel scroll to move the camera upwards or downwards right mouse button press and drag to change the angle of the camera orbit control specifics the right mouse button and drag will orbit the camera around a target right mouse button + shift or middle mouse button and drag till pan the camera in screen coordinates mouse wheel scroll, or trackpad scroll gesture , will move the camera towards or from the target