Tamron has recently filed a patent application in Japan (P2026105742) for an interesting new lens design: a 50-130mm f/2.8 zoom lens. What makes this patent particularly notable is that it outlines an inner zoom optical system. Key Patent Details (P2026105742): Applicant: Tamron Co., Ltd. Filing Date: December 16, 2024 Publication Date: June 26, 2026 Purpose: […]