An optical disc drive with the ability to read and/or write data from/on an optical disc with multiple information layers including a first information layer and a second information layer, the drive comprising: an objective lens for converging a light beam; a lens actuator for driving the objective lens; a photodetector section, which receives the light beam that has been reflected from the optical disc and converts the received light beam into an electrical signal; and a control section for determining the values of a first group of parameters, which are set to read data from the first information layer, and those of a second group of parameters, which are set to read data from the second information layer, during a disc loading process, wherein the first group of parameters includes information that defines the magnitude of spherical aberration correction to be made on the light beam at the first information layer and temperature information about a temperature during the disc loading process, and wherein the second group of parameters includes information that defines the magnitude of spherical aberration correction to be made on the light beam at the second information layer, wherein in performing the disc loading process, the control section determines the values of the first group of parameters first, and the control section compares the values of the spherical aberration correction position and temperature of the first group of parameters that were set during a previous disc loading process with the value of the spherical aberration correction position and the temperature of the first group of parameters that were set during the current disc loading process and it determines that correlation information, representing correlation between the values of the first and second groups of parameters that were set during the previous disc loading process, should be used to determine the values of the second group of parameters during the current disc loading process only when both comparisons satisfy predetermined conditions, wherein if it has been determined that the correlation information should be used, the control section determines the values of the second group of parameters based on the correlation information and on the values of the first group of parameters that have just been determined during the current disc loading process, and wherein if it has been determined that the correlation information should not be used, the control section determines the values of the second group of parameters by actually irradiating the second information layer of the optical disc with the light beam. an objective lens for converging a light beam; a lens actuator for driving the objective lens; a photodetector section, which receives the light beam that has been reflected from the optical disc and converts the received light beam into an electrical signal; and a control section for determining the values of a first group of parameters, which are set to read data from the first information layer, and those of a second group of parameters, which are set to read data from the second information layer, during a disc loading process, wherein the first group of parameters includes information that defines the magnitude of spherical aberration correction to be made on the light beam at the first information layer and temperature information about a temperature during the disc loading process, and wherein the second group of parameters includes information that defines the magnitude of spherical aberration correction to be made on the light beam at the second information layer, wherein in performing the disc loading process, the control section determines the values of the first group of parameters first, and the control section compares the values of the spherical aberration correction position and temperature of the first group of parameters that were set during a previous disc loading process with the value of the spherical aberration correction position and the temperature of the first group of parameters that were set during the current disc loading process and it determines that correlation information, representing correlation between the values of the first and second groups of parameters that were set during the previous disc loading process, should be used to determine the values of the second group of parameters during the current disc loading process only when both comparisons satisfy predetermined conditions, wherein if it has been determined that the correlation information should be used, the control section determines the values of the second group of parameters based on the correlation information and on the values of the first group of parameters that have just been determined during the current disc loading process, and wherein if it has been determined that the correlation information should not be used, the control section determines the values of the second group of parameters by actually irradiating the second information layer of the optical disc with the light beam.