Tool for surface treatment of an optical surface

The invention claims a respect to the tool of conical surface (2) executing surface processing, the cutter comprises: A rigid frame body (4), wherein a transverse end surface (13); The capable of the contact surface body of elastic compressing (5), the contact surface body ejection connected and collapsible to is connected with the end surface (13); And a soft polishing pad (16), which is designed to ejection with a conical surface (2), and is the end surface (13) opposite to one side, which is vertical to the end surface (13) are to the mode and is then pressing touch surface body (5) at least one part. With the invention is characterized in that: Polishing pad comprises a-called central part (6a), which is located on the end surface (13) and a-called spoke part (14), the locating part (14) is greater than the end face of the deflection (13), the elastic retracting mechanism (15) and locating part (14) (4) is connected with the bracket body.