The film-winding crank of the 503CW can be replaced with the Winder CW, providing the 503CW with both automatic winding and remote control capability. The Winder CW �s SAI (Self Adjusting Interface) provides automatic adjustment for each individual camera body. The winder can be controlled manually or remotely with the Electric Remote Control lead or the Hasselblad Infrared Remote Control
With the Winder CW, the camera�s ergonomics are particularly suited to handheld photography. The grip also comes in handy when turning the camera 90 degrees for vertical shots with the 645 magazine or format masks.
