Stainless Steel SM05 (0.535") Threaded Retaining Ring

The Stainless Steel SM05 (0.535") Threaded Retaining Ring, catalog number POLARIS-SM05RR, is a high-quality optical component from Thorlabs, a leading brand in the field of optical hardware. This retaining ring is designed for use with lens tubes, specifically those compatible with the SM05 thread.

The ring is made of stainless steel, a material known for its durability and resistance to corrosion, making it an ideal choice for applications that require robust and reliable optical components. It has a circular optical shape and a thickness of 1.7 millimeters, providing a sturdy and secure fit for the lens tubes it is designed to retain.

The POLARIS-SM05RR is compatible with SM05 lens tubes, offering flexibility in its application. It features a clear aperture of 10.9 millimeters, providing a generous opening for light to pass through while maintaining the structural integrity of the optical setup.

The retaining ring is equipped with an SM05 thread, ensuring a secure and tight fit when mounted on compatible lens tubes. This thread also allows for easy removal and reattachment, making it a convenient choice for optical setups that require frequent adjustments or modifications.