Models of rubric: Geometrical Optics Model 237 Curvature centre point surface of the single-leaf hyperboloid Model 238 Curvature centre point surface of the single-leaf hyperboloid Model 239 Curvature centre point surface of the triaxial ellipsoid Model 240 Curvature centre point surface of the triaxial ellipsoid Model 241 Curvature centre point surface of the triaxial ellipsoid Model 242 Curvature centre point surface Model 280 Infinitesimal neighbourhood of a line congruence Model 281 Infinitesimal neighbourhood of a line congruence Model 282 Infinitesimal neighbourhood of a line congruence Model 288 21 big plaques for the easiest refraction appearances Model 345 Curvature centre point surface Model 1525 Slide: Camera