This PL lens to a DJI Ronin 4D DL camera mount Octopus Adapter from DZOFilm allows you to use a PL-mount lens on the DJI Ronin 4D DL mount, enabling you to use cinematic glass with a variety of cameras. This durable lens support features stainless steel and aluminum construction, and its tight fit prevents any play or wiggle at any temperature and maintains infinity focus. The 1/4"-20 thread on the bottom allows you to add support for a longer lens. The lightweight adapter features internal flocking, which helps reduce internal reflections for a clean image.