Gain macro capabilities with your Pentax K lens by mounting it to your Fujifilm X-mount camera with the DLX Stretch Adapter from Fotodiox. It features an integrated focusing helicoid that provides close-up focusing when desired and can be retracted for guaranteed infinity focus during general purpose shooting. This adapter also features a magnetic drop-in filter system and comes with ND4, ND8, and ND16 filters that allow for added light control and will work with any adapted lenses, including those without filter threads. Additionally, this adapter features a precise construction with chrome-plated brass mounts that securely hold the lens and camera in place.