This spacer provides the user with a secure method of connecting a CCD camera at the image plane of the telescope. Attaches by way of four screws to the PlaneWave Hedrick focuser. The CCD camera is also connected via screws eliminating the possibility of slipping or falling equipment. The CDK14, CDK17, CDK20, and CDK24 models have three lengths: 4.5", 3.8", and 2.1". PlaneWave Product Number: 200361-3