JP 2011-48232 A↗2011Assignee: Panasonic CorporationInventors: Koji Hoshi, Kyoichi Miyazaki, Noriyuki AdachiNumerical Example 3PANASONIC LEICA DG MACRO-ELMARIT 45mm f/2.8 ASPH. MEGA O.I.S.— 14 ELEMENTS / 10 GROUPS, 1 ASPHERICAL ELEMENT / 1 ED ELEMENT