Digicame-info found patents for Fujinon XF300mm f/2.8, XF400mm f/4, XF600mm f/6, and Finally GF300mm f/2.8 on J-PlatPat. These lenses may never be produced, but I am sure GFX fans would love to get their hands on a Fujinon GF 300mm f/2.8. Applicant: FUJIFILM Corporation Publication number: P2022-167114A Application number: P2021-72676 Publication date: 2022.11.4 Title of … Continue reading Fujinon XF300mm f/2.8, XF400mm f/4, XF600mm f/6, and Finally GF300mm f/2.8 Patents Found