Machining apparatus for machining optical lenses and/or optical lens blanks (101, 102), the machining apparatus being configured by a module - having a horizontally aligned conveyor section for transporting containers containing at least one, preferably at least two, and particularly preferably exactly two, optical lenses and/or optical lens blanks (101, 102), o the conveyor section extending from an entry side of the module to an opposite exit side of the module, characterized in that - the machining apparatus has a container buffer store and a container transport device, - the container transport device being designed to retrieve containers from the conveyor section and store said containers in the container buffer store, and being designed to transport containers back onto the conveyor section, - the machining apparatus having a workpiece handling station having at least one, preferably at least two, furthermore preferably three, and particularly preferably four, parking spaces (41, 42, 43, 44) for in each case one container, o the container transport device being designed to transport containers from the container buffer store to the parking space, or at least one of the parking spaces (41, 42, 43, 44), o the workpiece handling station having a handling device which is designed to retrieve the optical lenses and/or optical lens blanks (101, 102) from a container standing on the parking space, or one of the parking spaces (41, 42, 43, 44), and to transfer said optical lenses and/or optical lens blanks (101, 102) to a machining station. - having a horizontally aligned conveyor section for transporting containers containing at least one, preferably at least two, and particularly preferably exactly two, optical lenses and/or optical lens blanks (101, 102), o the conveyor section extending from an entry side of the module to an opposite exit side of the module, characterized in that o the conveyor section extending from an entry side of the module to an opposite exit side of the module, - the machining apparatus has a container buffer store and a container transport device, - the container transport device being designed to retrieve containers from the conveyor section and store said containers in the container buffer store, and being designed to transport containers back onto the conveyor section, - the machining apparatus having a workpiece handling station having at least one, preferably at least two, furthermore preferably three, and particularly preferably four, parking spaces (41, 42, 43, 44) for in each case one container, o the container transport device being designed to transport containers from the container buffer store to the parking space, or at least one of the parking spaces (41, 42, 43, 44), o the workpiece handling station having a handling device which is designed to retrieve the optical lenses and/or optical lens blanks (101, 102) from a container standing on the parking space, or one of the parking spaces (41, 42, 43, 44), and to transfer said optical lenses and/or optical lens blanks (101, 102) to a machining station. o the container transport device being designed to transport containers from the container buffer store to the parking space, or at least one of the parking spaces (41, 42, 43, 44), o the workpiece handling station having a handling device which is designed to retrieve the optical lenses and/or optical lens blanks (101, 102) from a container standing on the parking space, or one of the parking spaces (41, 42, 43, 44), and to transfer said optical lenses and/or optical lens blanks (101, 102) to a machining station.