Sony 150-400mm f/4 and 70-200mm f/2.8 Patents Overview [Publication number] P2023039817 [Release date] 2023-03-22 [Title of Invention] Zoom lens and imaging device [Application date] 2021-09-09 [Applicant] [Identification number] 000002185 [Name] Sony Group Corporation An object of the present invention is to make it possible to satisfactorily correct various aberrations while being lightweight. 2. Description of the […]
