The Sinar Rollei Electronic Shutter of size 0 is exclusively designed to be used with X-Act Camera to attach view-camera lenses to it.You can attach this lens shutter to the X-Act camera with the help of a lens panel of size 1View camera have sufficient space for movements, as the camera is designed in such a way so that easy focusing is made possible at short focal lengths and for infinity as wellThe Lens Control S unit efficiently controls the aperture and shutter speedThe maximum shutter speed is 1/500 sec and the aperture adjustments is 1/10 stop