Self-Centering Optics Mount 4SCML-8 reliably centers and securely holds round optics and cylindrical objects. This device is particularly valuable when lenses of different diameters are being used interchangeably, as repeated centering at constant height is necessary. The Self-Centering Optics Mount accommodates optics up to 8 inch (203.2mm) and is oversized to provide easy finger access for inserting and remaining optics. Optical elements are fixed and centered at the same time by adjusting driving screw at the top of the device. Heavy optics mounting is secured by wedged rods.