SM1 (1.035”-40) Stress-Free Retaining Ring

The SM1LTRR is a stress-free retaining ring designed for use with SM1 (1.035”-40) lens tubes, offering a secure and reliable method of retaining optical components within the lens tube. Manufactured by Thorlabs, a leading brand in the optical components industry, this retaining ring is made from high-quality aluminum and features a black anodized finish for durability and resistance to wear.

The SM1LTRR has a thickness of 4.1mm and a clear aperture of 20.8mm, providing ample space for the passage of light while maintaining a compact design. The retaining ring is compatible with SM1 lens tubes, making it a versatile accessory for a wide range of optical systems.

The SM1LTRR is designed to be stress-free, meaning it applies minimal stress to the optical components it retains. This is crucial for maintaining the optical quality and performance of the system. The retaining ring is secured to the lens tube using a thread, ensuring a tight and secure fit.