US 8,451,542 B2↗2013Assignee: Panasonic CorporationInventors: Tsuneo Uchida, Koji HoshiNumerical Example 1PANASONIC LUMIX G VARIO 100-300mm f/4.0-5.6 MEGA O.I.S.— 17 ELEMENTS / 12 GROUPS, DESIGN f = 102.72–290.31 mm