The product flows from the feed hopper into a viratory chute where a perforated screen, eliminates coarse dust and chips which are then collected in a container. The product enter the inspection stage in a single layer. The capsules and tablets from the vibratory chute are placed on rotating rollers and are continuously turned & moved in front to the operation which ensures a reliable all-sided inspection. An adjustable mirror enables the operation to inspect the opposite parts of the products. The rotation speed of the inspection rollers is adjustable individually, independent of the inspection speed.