The Winder CW (44105) is a compact, ergonomically chassis unit providing a motor drive facility with a comfortable and sturdy grip for the 503CW and 503CXi cameras. Placed close to the camera body, the winder delivers stability and balance for optimal hand held efficiency thus satisfying the requirement for perfect vertical 6x4.5cm shots. The winder offers single, continuous, and multi exposure modes along with remote control modes. The Self Adjusting Interface (SAI) detects if the camera is wound, mechanical status of the camera body and equipment. The Winder CW is capable of 1.4 frames per second and approximately 0.7 frames per second in continuous mode.