With the new Smart ND Throttle from Fotodiox you get all of the creative benefits of full-time variable ND; cinematic shallow depth of field (even in bright lighting conditions), long exposures in full sunlight, and the ability to seamlessly keep up with changing lighting conditions. PLUS, your camera now has full control over the lens' autofocus and exposure controls, and Image Stabilization on supported lenses! Bohus tells In this video, Bohus shows you how to assemble the adapter and some cool accessories you can use with it.