0.750"-40 Retaining Ring for Ø18 mm Lens Mounts

The 0.750"-40 Retaining Ring for Ø18 mm Lens Mounts, catalog number SM18RR, is a lens tube mount accessory from Thorlabs, a leading manufacturer in the field of optical components. This retaining ring is designed for use with Ø18 mm lens mounts, ensuring a secure and stable fit.

Crafted from aluminum, a material known for its lightweight yet robust properties, the SM18RR is further enhanced with a black anodized finish. This not only adds to its durability but also provides an aesthetic appeal. The ring has a thickness of 2 mm, contributing to its overall sturdiness.

The SM18RR is compatible with a variety of lens tubes, including LMR18(/M), AD18T, CPN18, and SM1AD18. It boasts a clear aperture of 15.7 mm, providing ample space for light transmission. The ring features a 0.750"-40 thread, ensuring a secure connection with the compatible lens tubes.

For more detailed information, including technical specifications and purchasing options, you can refer to the product's webpage on Thorlabs' official website. The link is provided in the item data for your convenience.