SM2 (2.035”-40) Stress-Free Retaining Ring

The SM2LTRR, or SM2 (2.035”-40) Stress-Free Retaining Ring, is a high-quality optical component from Thorlabs, a leading manufacturer in the field of optical hardware. This retaining ring is designed for use with SM2 lens tubes, providing a secure and reliable method of holding optical elements in place.

Crafted from aluminum, a material known for its strength and light weight, the SM2LTRR is built to last. It features a black anodized finish, which not only enhances its durability but also gives it a sleek, professional appearance. The ring has a thickness of 4.6mm, providing a sturdy foundation for your optical setup.

The SM2LTRR is compatible with SM2 lens tubes, making it a versatile choice for a wide range of optical applications. It boasts a clear aperture of 42.7mm, ensuring that it can accommodate a variety of optical elements. The ring features an SM2 thread, which allows for easy installation and removal from your lens tubes.

Thorlabs, the manufacturer of the SM2LTRR, is known for its commitment to quality and innovation. This retaining ring is no exception, featuring a stress-free design that helps to minimize optical distortions and ensure the highest level of performance.

In conclusion, the SM2LTRR is a reliable and high-performance retaining ring that is perfect for use with SM2 lens tubes. Its durable construction, versatile compatibility, and high-quality design make it a top choice for optical professionals and hobbyists alike.