The Extra-Thick SM1 (1.035”-40) Threaded Retaining Ring, with the catalog number SM1RRC, is a mount accessory from Thorlabs, a renowned brand known for its high-quality optical components. This retaining ring is designed for use with SM1 lens tubes, offering a secure and stable method to hold optical elements in place.
The SM1RRC is made from aluminum, a lightweight and durable material, and features a black anodized finish for improved resistance to wear and corrosion. The retaining ring has a thickness of 5, providing extra rigidity and stability. It is compatible with SM1 lens tubes, making it a versatile accessory for various optical setups.
The SM1RRC boasts a clear aperture of 22.9, allowing for the passage of light with minimal obstruction. The ring features an SM1 thread, ensuring a secure and tight fit with compatible SM1 lens tubes. The retaining ring is part of Thorlabs' extensive catalog, and you can find more information about it, including a step file, on their official website.