pulverous formulation of one or more fat-soluble active ingredients comprising modified food starch and one or more components chosen from the group consisting of polyglycerol esters and food composition, especially a beverage, containing said formulation. An image sensor is utilized to capture an image of a barcode via an optical lens, and then a triangulation method and an ideal lens imagining method are collocated to calculate the digital image so as to produce an optimum image distance. A chip can be placed within a socket with a manipulator and aligned during compression of the socket.