A Tamron 75mm f/1.4 lens patent was found that is likely part of the Di III series of lenses from Tamron. overview [Public number] P2023039482 [Release date] 2023-03-22 [Title of Invention] Optical system and imaging device [Application date] 2021-09-09 [Applicant] [Identification number] 000133227 [Name] Tamron Co., Ltd. Kind Code: A1 A compact, lightweight, high-performance optical … Continue reading Tamron 75mm f/1.4 Di III Patent Found