ISO 19012-2:2013规定了色度校正的类别，并定义了有关色度校正的最低要求。部件上定义的标记使操作员能够正确使用显微镜。 目视观察的标准应用是指制造商规定的物镜和管透镜的组合。有关色差校正的规范仅涉及轴向色差。

ISO 19012-2:2013 specifies classes of chromatic correction and defines minimum requirements regarding chromatic correction. The defined marking on the component enables the operator to correctly use the microscope. The standard application for visual observation refers to the combination of objective and tube lens as specified by the manufacturer. The specifications regarding chromatic correction only refer to axial chromatic aberration.