Optical sorter system for sorting granulate particles into at least a first and second granulate fraction (101, 102), comprising: - a dosage device; - a conveyor belt; - an optical sensor device; - a discharge device; - a control device; as well as - at least one first and second granulate fraction outlet (21, 22), - wherein the granulate particles are fed onto the conveyer belt in a monolayer via the dosage device, accelerated to a defined velocity by means of the conveyor belt, discharged from the conveyor belt at a discharge end and transferred to a first free trajectory; - wherein the optical sensor device generates optical images of the discharged granulate particles and transmits the same to the control device; - wherein, by evaluating at least one detection criterion, the control device assigns the discharged granulate particles to the at least one first or second granulate fraction (101, 102) based on the optical images, and transmits a control pulse to the discharge device when a granulate particle is assigned to the second granulate fraction; - wherein the first granulate fraction outlet is arranged in the area of the free trajectory of the granulate particles at a defined distance from the discharge end; - wherein, when a control pulse is transmitted, the discharge device transfers the granulate particle assigned to the at least one second granulate fraction to at least a second free trajectory before it reaches the first granulate fraction outlet and discharges it into at least one second granulate fraction outlet, - characterized in that - downstream of the discharge end, seen in the discharging direction of the granulate particles, at least one separating blade is arranged between the one first free trajectory and the at least one second free trajectory, the separation blade having an end face in the form of a knife edge pointed relative to the discharge end. - a dosage device; - a conveyor belt; - an optical sensor device; - a discharge device; - a control device; as well as - at least one first and second granulate fraction outlet (21, 22), - wherein the granulate particles are fed onto the conveyer belt in a monolayer via the dosage device, accelerated to a defined velocity by means of the conveyor belt, discharged from the conveyor belt at a discharge end and transferred to a first free trajectory; - wherein the optical sensor device generates optical images of the discharged granulate particles and transmits the same to the control device; - wherein, by evaluating at least one detection criterion, the control device assigns the discharged granulate particles to the at least one first or second granulate fraction (101, 102) based on the optical images, and transmits a control pulse to the discharge device when a granulate particle is assigned to the second granulate fraction; - wherein the first granulate fraction outlet is arranged in the area of the free trajectory of the granulate particles at a defined distance from the discharge end; - wherein, when a control pulse is transmitted, the discharge device transfers the granulate particle assigned to the at least one second granulate fraction to at least a second free trajectory before it reaches the first granulate fraction outlet and discharges it into at least one second granulate fraction outlet, - characterized in that - downstream of the discharge end, seen in the discharging direction of the granulate particles, at least one separating blade is arranged between the one first free trajectory and the at least one second free trajectory, the separation blade having an end face in the form of a knife edge pointed relative to the discharge end.