Feature: 1. EXQUISITE CRAFTSMANSHIP: Durable aluminum alloy material and precise manufacturing create a premium adapter that provides reliable support to photography enthusiasts. 2. 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. 3. RICH FUNCTIONALITY: Full manual control options, including manual focus, exposed, aperture and infinite telefocus, plus matte black finishing for reduced reflection and improved contrast. 4. 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. 5. WIDE APPLICATION: Perfect for macro, landscape, portrait, and other niche photography fields, and providing flexibility in use for optimal image results and creativity. Specification: Item Type: Lens converter adapter Material: Aluminium alloy Weight: Approx. 126g / 4.44oz Compatible Lens: For Pentax K series lens Compatible Camera: For RF mount camera, R, RP, Ra, R5, R6, R3, R5C, R7, etc. . Package List: 1 x Lens Converter Adapter Note: The adapter ring is a manual adapter and is not equipped with electronic contacts. After installation, it will lose the function of powering the lens, so the lens functions that depend on electronic communication with the camera body(autofocus, AE metering, image stabilization, etc.)will be disabled and need to be reset manually.