Ricoh has a new patent application for multiple full-frame lenses including 21mm f/2.4, 18mm f/2.4, 16mm f/2.4, and 14mm f/2.4: Applicant: Ricoh Co., Ltd. Publication number: P2022117775 Application number: P 2021014462 Publication date: 2022-08-12 Title of the invention: Single focus lens, interchangeable lens, and imaging device Patent description: A single focus lens, an interchangeable lens, … Continue reading New: Ricoh patent application for 21mm f/2.4, 18mm f/2.4, 16mm f/2.4, and 14mm f/2.4 full-frame lenses