RICH FUNCTIONALITY: Full manual control options, including manual focus, exposed, aperture and infinite telefocus, plus matte black finishing for reduced reflection and improved contrast. EXQUISITE CRAFTSMANSHIP: Durable aluminum alloy material and precise manufacturing create a premium adapter that provides reliable support to photography enthusiasts. WIDE APPLICATION: Perfect for macro, landscape, portrait, and other niche photography fields, and providing flexibility in use for optimal image results and creativity. LENS CONVERTER: For Pentax K mount lens are now compatible with R series cameras, expanding equipment options for photographers. Compatible cameras include for R, RP, Ra, R5, R6, R3, R5C, and R7. 1:1 FIT: A accurate connection between the adapter and the camera lens mount ensures a stable and seamless shooting experience, with easy lens installation and removal.