A lens and a lighting fixture utilizing the same provides a plurality of LED light sources as a single light source with a simple configuration. The acquisition unit acquires print data from an information processing apparatus. Contextual information related to the visual content can also be identified. When the inner shell is mounted inside the outer shell, the locating protrusion is anchored inside the respective locating aperture so as to prevent possible relative movement in between. A common mode range of the output voltage is shifted as compared with a common mode range of the set of input voltages.