| 摘要 |
This sliding track for optical apparatus provides a system for mounting and easily moving lens cells and/or other portions of an optical apparatus that are co-axially arranged with respect to an optical axis of the apparatus along said optical axis while maintaining axial alignment. It does so by positioning the lens cells on two linear precision rods placed parallel to the optical axis of the lens cells and optical apparatus. Low-friction plastic inserts are mounted to or in the moving lens cells so that they support said cells on the parallel rods and provide a low friction sliding contact that does not require lubrication. Low-friction plastic holding pads are mounted via springs to the moving cells and are biased against the opposite side of the parallel rods so as to hold the moving cells firmly in position against the parallel rods, but without hampering the cells from sliding smoothly along the rods. The outer diameter of the widest point of each lens cell is equal, with centrally located coaxial lens or lenses. Thus, when each lens cell is placed in position against the two parallel rods, their respective lenses are coaxial.
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